Windows error 0x80131040, -2146234304

Could not load file or assembly or one of its dependencies

I'm having another of these "Could not load file or assembly or one of its dependencies" problems. > Additional information: Could not load file or assembly > 'Microsoft.Practices.Unity, Version=1.2.0.0, Culture=neutral, > PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located > assembly's manifest definition does not match the assembly reference. > [...] read more

Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed'

I am getting the Error > System.IO.FileLoadException : Could not load file or assembly > 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, > PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located > assembly's manifest definition does not match the assembly reference. > (Exception from HRESULT: 0x80131040) for my CI build Solution which I tried [...] read more

Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013

I did the upgrade according to. http://www.asp.net/mvc/tutorials/mvc-5/how-to-upgrade-an-aspnet-mvc-4-and-web-api-project-to-aspnet-mvc-5-and-web-api-2 I get the error. Does any one else got this error? > SERVER ERROR IN '/' APPLICATION. > > Could not load file or assembly 'System.Web.Http, Version=4.0.0.0, > Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. > The located assembly's manifest definition does not [...] read more

HRESULT: 0x80131040: The located assembly's manifest definition does not match the assembly reference

The located assembly's manifest definition does not match the assembly reference getting this when running nunit through ncover. Any idea? read more

Could not load file or assembly 'System.ComponentModel.Annotations, Version=4.1.0.0

I have a .NET Standard 1.4 class library that references the System.ComponentModel.Annotations (4.3.0) NuGet package. I'm then referencing this class library from a .NET Framework 4.6.2 test project. It builds fine, but at runtime I get the following error: > System.IO.FileLoadException occurred HResult=0x80131040 > Message=Could not load file or assembly [...] read more

Could not load file or assembly Microsoft.Extensions.DependencyInjection.Abstractions, Version=1.1.0.0

After update to the new package Microsoft.EntityFrameworkCore.SqlServer 1.1.2 I got error when try to create DBContext: > System.IO.FileLoadException occurred HResult=0x80131040 > Message=Could not load file or assembly > 'Microsoft.Extensions.DependencyInjection.Abstractions, Version=1.1.0.0, > Culture=neutral, PublicKeyToken=adb9793829ddae60' or one of its dependencies. > The located assembly's manifest definition does not match the assembly > [...] read more

Visual Studio keeps overwriting NewtonSoft.Json.DLL with an older version

Visual Studio is overwriting the correct version of NewtonSoft.Json.DLL that I have configured in both my project references and the NuGet package file with an older version when I build any other project besides the website that contains the reference. OK. Here is the scenario: I have a solution with [...] read more

Could not load file or assembly System.Net.Http version 4.1.1.0

I'm porting a Net Framework 4 dll to Net Core. When porting my unit tests project I get an exception running some specific tests (not all). > System.IO.FileLoadException: Could not load file or assembly 'System.Net.Http, > Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of > its dependencies. The located assembly's manifest definition [...] read more

Assembly binding redirect does not work

I'm trying to set up an assembly binding redirect, using the following app.config: <configuration> <runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="Microsoft.AnalysisServices" PublicKeyToken="89845dcd8080cc91" /> <bindingRedirect oldVersion="10.0.0.0" newVersion="9.0.0.0" /> </dependentAssembly> </assemblyBinding> </runtime> </configuration> I'm running the program on a machine with version 9.0.242.0 in the GAC, with the specified public key token. The [...] read more

Could not load file or assembly Microsoft.CodeAnalysis

I have a webproject I am trying to host, but when the server tries to compile it, I get the following error: > Unhandled Exception: System.IO.FileLoadException: Could not load file or > assembly 'Microsoft.CodeAnalysis, Version=1.1.0.0, Culture=neutral, > PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located > assembly's manifest definition does [...] read more

Could not load file or assembly Exception from HRESULT: 0x80131040

I created my first MVC 4 project and it works perfectly on local server. But when I publish it on to local folder and upload the folder contents to hosting server. I try to run it and I get this error: > Could not load file or assembly 'DotNetOpenAuth.Core, Version=4.0.0.0, [...] read more

Could not load file or assembly 'Newtonsoft.Json, Version=7.0.0.0

I am facing the error below > Could not load file or assembly 'Newtonsoft.Json, Version=7.0.0.0, > Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. > The located assembly's manifest definition does not match the assembly > reference. (Exception from HRESULT: 0x80131040) I could see the below in Web.config <dependentAssembly> <assemblyIdentity name="Newtonsoft.Json" [...] read more

Could not load file or assembly 'Microsoft.SqlServer.Types even with Copy Local

I have an internal report on my web application which when I browse to it locally displays as expected. I am using a rdlc and xsd with a standard apsx web page to render the report. I have now deployed to my staging server and when I try to browse [...] read more

Could not load file or assembly 'Microsoft.CodeDom.Providers.DotNetCompilerPlatform

Other articles on here haven't been able to solve my issue. The following errors are being thrown when I run my ASP.NET MVC5 Web Project. Anyone got an idea where I am going wrong? Could not load file or assembly 'Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The [...] read more

Unable to compile project due to Fody errors. Nothing with Fody (or any other code) has been changed

** This is an issue in Visual Studio 2013. The error I'm getting is massive and mostly useless, but the crux of it is Error 130 Fody: Could not load 'ModuleWeaver' from 'PropertyChanged.Fody, Version=1.50.3.0, Culture=neutral, PublicKeyToken=null' due to ReflectionTypeLoadException. It is possible you need to update the package. exception.LoaderExceptions: System.IO.FileLoadException: [...] read more

Can't load Assembly System.Net.Http.Formatting in .Net Solution

I get the following error when trying to update-package on the NuGet Console: At line:1 char:1 + Update-Package Microsoft.AspNet.WebApi -reinstall + CategoryInfo : InvalidOperation: (:) [Update-Package], InvalidOperationException + FullyQualifiedErrorId : NuGetMissingPackages, NuGet.PackageManagement.PowerShellCmdlets.UpdatePackageCommand When I try to install NuGet.PackageManagement.PowerShellCmdlets I get the error: An error occured while trying to restore packages:Unable [...] read more

Could not load file or assembly System.Runtime.CompilerServices.Unsafe

I created a Visual Studio (Community 2019) project with C# using ServiceStack.Redis. Since it is C#, I use Windows 10 (there is a Redis version for Windows but it is really old and as I know, it is unofficial so I am afraid that might be the problem). Here is [...] read more

Could not load file or assembly 'System.Diagnostics.DiagnosticSource on ASP.Net Core migration from VS2015 to VS2017

I have a web in ASP.Net Core (4.6.1 framework) that uses Facebook and MS external login that I created with Visual Studio 2015 and opened in the new Visual Studio 2017 that came out yesterday. VS2017 made a few changes related to the csproj, project.json, etc files. The site compiled [...] read more

Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0

I recently installed CsvHelper (https://joshclose.github.io/CsvHelper/) when i try to use the library I get the following error: > Could not load file or assembly 'System.Threading.Tasks.Extensions, > Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of > its dependencies. The located assembly's manifest definition does not match > the assembly reference. (Exception from HRESULT: [...] read more

Entity Framework code first migrations throwing error

Here is what I did before I got this error: 1. Installed EF (the pre release version, 6 maybe, I dunno) 2. decided I did not want, so uninstalled that and reinstalled the stable version (5) 3. Truncated my database via SSMS here is the error: Exception calling "CreateInstanceFrom" with [...] read more

Could not load file or assembly 'System.IdentityModel.Tokens.Jwt after deploying on Azure

my web app is working fine on localhost, but when I publish it on Azure, I get the following error: > Could not load file or assembly 'System.IdentityModel.Tokens.Jwt' or one of > its dependencies. The located assembly's manifest definition does not match > the assembly reference. (Exception from HRESULT: 0x80131040) [...] read more

MySQL connector 6.7.4 and Entity Framework 5 exceptions

I downloaded MySQL Connector/Net 6.7.4 and MySQL for Visual Studio 1.0.2, and then followed these instructions to test it: 1. Create a connection to the existing MySQL database. 2. Create a console application. 3. Add the ADO.NET Entity Data Model from the existing database connection. 4. Add Code Generation Item [...] read more

Binding redirect for System.Net.Http doesn't work - why?

The project I'm working on has System.Net.Http version 4.3.3 installed, according to NuGet. It had a binding redirect in the Web.config file to redirect it to version 4.2.0.0, which worked for some reason: <dependentAssembly> <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" /> </dependentAssembly> I changed it to point to [...] read more

Could not load file or assembly 'System.Buffers, Version=4.0.2.0...'

I'm getting the following exception when trying to call GetDatabase method of the MongoClient class after adding a new configuration using VS config. manager: Could not load file or assembly 'System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. [...] read more

Could not load file or assembly 'Newtonsoft.Json, Version=6.0.0.0 in combination with Microsoft.AspNet.WebApi.Client

I’m coding a class library (called mylibrary.dll) that itself references some more libraries -> uses the following DLLs (taken from package.config for version overview): <package id="EntityFramework" version="6.0.0" targetFramework="net45" /> <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net45" /> <package id="Newtonsoft.Json" version="8.0.2" targetFramework="net45" /> <package id="System.Data.SQLite" version="1.0.99.0" targetFramework="net45" /> <package id="System.Data.SQLite.Core" version="1.0.99.0" targetFramework="net45" /> <package [...] read more

Could not load file or assembly 'MySql.Data

I am developing an application in ASP.net mvc 5 and using the code first approach. When I try to enable migration then it is throwing an error. I found already MySQL.Data.dll in references. What could be the issue? I uploaded the source here. Please help if possible. Error is mentioned [...] read more

Automapper and System.ValueTuple dependency/versioning problem

I have just added Automapper to my asp.net application (.net Framework 4.7), to see hopefully being able to replace some of the tedious manual mapping I always need to do. I am now having a lot of problems with System.ValueTuple versions. I Notice I have a nuget package for System.ValueTuple [...] read more

Problems with mongo csharp driver version

I use the mongo csharp driver version 1.9.1. But, I have a problems with this dll. The exception is: "Could not load file or assembly 'MongoDB.Bson, Version=1.9.1.221, Culture=neutral, PublicKeyToken=f686731cfb9cc103' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)":"MongoDB.Bson, Version=1.9.1.221, [...] read more

Deploying web server that uses Oracle.DataAccess results in various assembly errors

My development machine is Vista x64. I am using WCF web services to build web services interfacing to an oracle 10g database. When development started, I could not use VS2008's built-in WCF test tool [WCFTestClient] that launches when you press F5 [Go], on the 32-bit Oracle.DataAccess.dll, because I get System.BadImageFormatException [...] read more

Could not load file or assembly 'AvalonWizard, PublicKeyToken=null' or one of its dependencies

My C# App has a reference to AvalonWizard dll. The AvalonWizard dll is strongly signed with a PublicKeyToken = 8f2c89e926618269. However, my app when is loading the AvalonWizard dll, is trying to load an assembly with PublicKeyToken = null and therefore there is the following error: > FileLoadException: Could not [...] read more

Why is my HubConnectionBuilder not working on HubConnectionBuilder().Build?

I am trying to learn how to connect to the SignalR Server using the C# client. And I am not sure if the steps I am performing would be considered ok (would work). As I am getting errors of course... I am trying to establish a connection to the site [...] read more

Deploying MVC 5.1 app on web server

I made ASP.NET application with MVC 5.1 technology and tried to deploy it on Winhost server. When I go to my web site, I get the following error message. Could not load file or assembly 'System.Web.Mvc, Version=5.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does [...] read more

AjaxControlToolkit.CalendarExtender and System.Web.Extentions version error

I have VS 2005, 2008 on my dev box. New project from other developers who only have 2005 installed. When I build it I get error. > Error 1 Indirect reference is being made to assembly System.Web.Extensions > version 3.5.0.0, which contains 'AjaxControlToolkit.CalendarExtender'. This > Project references a prior version [...] read more

How to solve : could not load or assembly Npgsql or one of its dependencies

I am trying to create an API using C #, but as I have to enable migrations I have the following errors: The ADO.NET provider with invariant name 'Npgsql' is either not registered in the machine or application config file, or could not be loaded. See the inner exception for [...] read more

Resolving .NET TypeLoadExceptions in Azure App Service

I have an Azure App Service where I published my .NET application (.NET Framework 4.7.2). The application works fine on local Visual Studio IIS Express. When I run it in the App Service I get TypeLoadExceptions. The interesting parts are, for example, these errors: - System.IO.FileLoadException: Could not load file [...] read more

Could not load file or assembly 'itextsharp' or one of its dependencies

Trying to follow this tutorial for RazorPDF, and I don't know why am I getting the following error message: Very frustrated and tired. Error Message: > Could not load file or assembly 'itextsharp' or one of its dependencies. The > located assembly's manifest definition does not match the assembly reference. [...] read more

RabbitMQ Connection Factory could not find System.Threading.Tasks.Extensions in my app bin

I have the following code var factory = new ConnectionFactory() { HostName = "path.to.host.net", UserName = "guest", Password = "guest", VirtualHost = "myhost" }; var connection = factory.CreateConnection(); The last line of the above complains with the following error > FileLoadException: Could not load file or assembly > 'System.Threading.Tasks.Extensions, Version=4.2.0.0, [...] read more

Could not load file or assembly 'EntityFramework, Version=6.0.0.0

What am I doing wrong? How do I troubleshoot this? I have a solution that has multiple projects. It is an MVC .NET 4.5 web application. When invoking one of the projects AFTER I start in debug mode, I am getting this error. The project that is causing this error [...] read more

Could not load file or assembly 'System.Memory, Version=4.0.1.1,

I am trying to use Azure Blob Storage, however I am getting the following error. > System.IO.FileLoadException: 'Could not load file or assembly 'System.Memory, > Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of > its dependencies. The located assembly's manifest definition does not match > the assembly reference. (Exception from HRESULT: 0x80131040)' [...] read more

.NET Core 3.1 web API builds fine locally, but gets errors when deploying via Azure DevOps

I had a similar problem a couple weeks ago: I'm getting the error "Microsoft.AspNetCore.Hosting.Abstractions, Version=3.1.0.0" in .NET Core 3.1 app I can run it from Visual Studio 2019 locally with no issues, but whenever I try to run it after deploying via Azure DevOps, I get this error: Unhandled exception. [...] read more

Unable to load System.Threading.Tasks.Extensions 4.2.0.0 using rabbitMQ

So, we are updating our RabbitMQ dll at a project that is perfectly working from RabbitMQ 5.0.1 to 6.2.1 and I cant use the Factory.CreateConnection() method, as it gives me an inner exception Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. The located [...] read more

Dependency issue when upgrading my computer to mvc4, and trying to deploy mvc3 applications

I am having a very similar problem to this: https://stackoverflow.com/questions/11023923/how-to-fix-this-mvc-website-error-could-not-load-file-or-assembly-system-web-h same exact error message: Could not load file or assembly 'System.Web.Helpers' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) I know this problem has to do with the [...] read more

SqlDataReader.GetValue not successful for geometry columns

When I have a SqlDataReader on a table where the geometry type is used, reader.GetFieldType(index) returns null and reader.GetValue(index) results in > System.IO.FileLoadException: 'Could not load file or assembly > 'Microsoft.SqlServer.Types, Version=10.0.0.0, Culture=neutral, > PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The located > assembly's manifest definition does not match the [...] read more

'Could not load file or assembly' exception when running as a console app

I have a new .NET Core 2.0 console app. Whenever I try to add a NuGet package, say Newtonsoft.Json for example I get the following exception when the program is started: > System.IO.FileLoadException: 'Could not load file or assembly > 'System.Threading, Version=4.1.0.0, Culture=neutral, > PublicKeyToken=b03f5f7f11d50a3a'. The located assembly's manifest definition [...] read more

FileLoadException with Newtonsoft.Json trying to use MapHttpRoute in 4.5.1 WebForms

I added a 2.1 Web API Controller Class to my 4.5.1 WebForms application. Afterwards, my packages.config looked like: <package id="Microsoft.AspNet.WebApi" version="5.2.7" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.Client" version="5.2.7" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.Core" version="5.2.7" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net451" /> <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net451" /> My Web.config looks like this: <runtime> <assemblyBinding [...] read more

Could not load file or assembly MySql.Data, referencing two files in exception

Searched SO but can't find a solution that works. In Visual I've got a main project. It uses another project (ProjectA) that compiles to a DLL. That project uses Servicestack ORMLite 4.5.14. I've also installed Mysql.Data 6.9.12. ProjectA is reference in the main project by Project, not by compiled DLL. [...] read more

ASP.NET API failing to publish on azure

I'm trying to publish an C# API to azure, I followed all the steps in this documentation here but for some reason when I publish the application the build succeeds and crashes when this below line gets executed Generating swagger file to 'C:\Users\user\Projs\API\bin\Release\netcoreapp3.1\swagger.json'. and the only error log that gets [...] read more

Add custom action in Wix with multiple dependencies

I have a problem when trying to add a custom action in Wix with C# DLL. I have a custom action for checking the Postgresql server connection and in the C# project, I use Npgsql for checking it. Everything is ok with Npgsql ver 3.1.0. But when I upgrade Npgsql [...] read more

Could not load file or assembly 'NewtonSoft.Json, Version=12.0.0.0'

I'm new with C#. I'm using C# in SSIS Script Component. I installed Newtonsoft.Json from References-->Manage Nuget Packages. I added using Newtonsoft.Json; in the namespaces as well. The script was building successfully with 0 errors but one warning, "There was a mismatch between the processor architecture of the project being [...] read more

Is it possible to use a SignalR ASP.NET Server and SignalR WinForms App Client?

I want to use SignalR to create communication between 3 simple Windows Forms apps and a ASP.NET Web API server. I set up the server according to the Microsoft documentation at https://docs.microsoft.com/en-us/aspnet/core/tutorials/signalr?view=aspnetcore-5.0&tabs=visual-studio. I even followed the PluralSight course 'Getting Started With ASP.NET Core SignalR', but that seems to be a [...] read more

VS Code Omnisharp.MsBuild.Projectmanager can not load assembly System.Numerics.Vectors 4.1.3.0

I'm having a problem with opening a newly created blazorwasm project. Omnisharp will not start correctly. This is the output: [warn]: OmniSharp.MSBuild.ProjectManager Failed to load project file 'c:\VS.NET2010\CoreApp\Server\CoreApp.Server.csproj'. c:\VS.NET2010\CoreApp\Server\CoreApp.Server.csproj(1,1) System.IO.FileLoadException: Kan bestand of assembly System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a of een van de afhankelijkheden hiervan niet laden. De manifestdefinitie van de [...] read more

C# nuget package dependency consolidation fails when running app as azure webjob

The exception when running as the console application as Azure webjob: Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'Azure.Core, Version=1.0.2.0, Culture=neutral, PublicKeyToken=92742159e12e44c8' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) Locally this works and runs. Referencing: [...] read more

How to run NUnit tests as a stand alone executable?

I'm curious how to run NUnit tests not from command line, but as a single executable (console application). I found this article from 2012 that shows how to run it using ConsoleRunner. However, I ran into the following error even though I made sure that the correct version of the [...] read more

Comparing the assembly name resulted in the mismatch: PUBLIC KEY TOKEN

I've already been through this answer on S.O. but it really doesn't seem to solve my issue - this is not a complex multi-project web solution.. it's much smaller and doesn't really need binding redirects as there aren't multiple projects vying for the same DLL reference. For the project in [...] read more

Could not load file or assembly Newtonsoft.json - error 0x80131040

strong textGood day, I develop applications on the customer's server. There are several projects one of them is in ASP.NET. And suddenly this error appeared. Error [https://i.stack.imgur.com/8ijZu.png] There was no change between launches. I compared all versions of the Newtonsoft.json library to version 12.0.0.0, I compared all versions of .NET [...] read more

Azure Deployment Issue: Unhandled Exception: Could not load file or assembly 'Microsoft.Azure.DocumentDB.Core

I was having performance issues with table storage and upgraded to the latest library/sdk. Everything works fine locally and I can run on the emulator. However, when I try to deploy to my Azure Cloud Service I get the following error: Details: Recovering role... Unhandled Exception: Could not load file [...] read more

BizTalk configuration broken following WCF hotfix installation

I usually post over on StackOverflow, but thought this was probably better suited to ServerFault. Please migrate if I'm wrong! I am developing a WCF service and a BizTalk application on my workstation at the moment. As part of the WCF service, I had to install hotfix 971493 from Microsoft [...] read more

Avoid dependentAssembly within app.config (.net framework)

I'm looking for a way to avoid the need to add dependentAssembly within the app.config file. The actual related project is a library that should be added to a global process. It's not possible to modify the app.config of the global process (.net Framework). Example of the issue: 1.When adding [...] read more

Error trying to install Visual Studio Community 2019 Extensions

I just go into Extensions>Manage Extensions>Update, click "Update All" and then close Visual Studio. The installation just give me a error, i searched online but no clue what's wrong. Already repaired and reinstalled completely visual studio Any help? This is the error log. 22/05/2021 22:41:45 - Microsoft VSIX Installer 22/05/2021 [...] read more

when installing application insights, it keeps complaining about DiagnosticSource package version

I am trying to install Application Insights on an Asp.Net MVC application by following this guide: Guide I have tried both Automatic and Manual configurations, but each time I keep getting the same error when running my application. Could not load file or assembly 'System.Diagnostics.DiagnosticSource, Version=4.0.4.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one [...] read more

Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or

I tried to use Logging in Enterprise Library 6.0 in VS2015 and the following exception pops up. The reference Microsoft.Practices.EnterpriseLibray.Common is already added in the references of VS2015. Server Error in '/' Application. Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Common, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located [...] read more

dotnet core app failed in Docker (System.IO.FileLoadException: Could not load file or assembly 'System.Configuration.ConfigurationManager)

When I run my dotnet core web application in Docker I get an error Unhandled exception. System.IO.FileLoadException: Could not load file or assembly 'System.Configuration.ConfigurationManager, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. The located assembly's manifest definition does not match the assembly reference. (0x80131040) File name: 'System.Configuration.ConfigurationManager, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' at System.Reflection.RuntimeAssembly.GetExportedTypes() at System.Reflection.Assembly.get_ExportedTypes() at [...] read more

Binding redirect for non strongly typed assembly Stackexchange Redis

Im working on a project that references a third party dll. This dll uses an older version of stack exchange redis package - 1.2.6.0 which is not strongly typed (PublicKeyToken=null) In my project I overwrite some of the redis functionality and I want to use latest version of redis. I [...] read more

MySQLConnector DLL Error System.Threading.Tasks.Extensions linking

i try to publish my App (C#, Desktop-WPF, .NET Framework 4.8) to a testsystem, my problem is: if i use the nuget package mysqlconnector (1.3.7) without(!) upgrading the automatic installed System.Buffers/Memory/Numerics/Threading ... Packs and i try to connect to the Server i get the following error on my Dev System: [...] read more

VSIX install failed

I downloaded extension in visual studio 2019 but while installing error occurred. image of error [https://i.stack.imgur.com/8lDgK.png] install log is this: 4/25/2021 8:41:33 PM - Microsoft VSIX Installer 4/25/2021 8:41:33 PM - ------------------------------------------- 4/25/2021 8:41:33 PM - vsixinstaller.exe version: 4/25/2021 8:41:33 PM - 16.9.2017 4/25/2021 8:41:33 PM - ------------------------------------------- 4/25/2021 8:41:33 [...] read more

Could not load file or assembly 'log4net, Version=1.2.10.0?

I have page called ProvinceWiseDistributionCivilWork which use crystal report to display the report I have other two pages which is works fine but for this page ProvinceWiseDistributionCivilWork it throw this error Could not load file or assembly 'log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The located assembly's manifest [...] read more

ASP.NET Core MVC: The located assembly's manifest definition does not match the assembly reference

I tried to deploy my Asp.net core mvc projekt to our server, but the ISS only logs this error System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Extensions.DependencyInjection.Abstractions, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The located assembly's manifest definition does not match the assembly reference. (0x80131040) File name: 'Microsoft.Extensions.DependencyInjection.Abstractions, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60' It does [...] read more

Why DNN response the given module(the Module that I created) is currently unavailable

Hiiii..., I am new to DNN and am using DNN v-9.9, some one has given me a compiled DNN module but am not able to install it in my DNNSite- it throws too many Exceptions....something like the ff <=++++=>The located assembly's manifest definition does not match the assembly reference. (Exception [...] read more

'Could not load file or assembly 'Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies

We implemented Azure Keyvault and MSAL authentication in one of our asp.net web forms application. Whereas MSAL is working as expected after installing all owin secirity packages and newtonsoft json package is upgraded from 6.0.0.0 to 10.0.0 version. But while fetching secrets from keyvault, application is encountered with following newtonsoft.json [...] read more

Does the .Net Core System.Data.Sqlite library work on a Linux environment?

I am using the System.Data.SQLite package in a .Net core app. The dll runs fine in a Windows environment. It does not run in Linux (Ubuntu 20.04). I have tried the following versions: > * version 1.0.03.0 > * version 1.0.113.7 I get the following error message: > Unhandled exception. [...] read more

Ignored "bindingredirect" starts working for no apparent reason

I have many projects that generate dlls and a main project that generates an executable, today i compiled the projects successfully, but when i tried to start the main project i got for the first time the next exception: "Assembly manifest definition does not match assembly reference", so is not [...] read more

Not able to run Service Fabric with right NewtonSoft.Json version in Local cluster

I am developing a service fabric application and testing it locally using visual studio 2019. The Application is named "DASSFHLSFApp1" and the service is DASSFHLSFAppServiceStateless1. When I run this in local cluster, I get exception which trying to access Microsoft.WindowsAzure.Storage types. Exception I get is > Could not load file [...] read more

Could not load file or assembly 'Newtonsoft.Json," after obfuscation of a .net exe

Error: System.IO.FileLoadException: The File or the Assemply "Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed" is not found (Exception of HRESULT: 0x80131040) Filename: "Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed" in DSharpPlus.Net.DiscordApiClient.<GetGatewayInfoAsync>d__122.MoveNext() I guess the problem is DSharpPlus, because I use newtonsoft to get login details from a json file to connect to my login system, therefore [...] read more

How to fix .dll file reference error in C#?

I was making a student reputation management app. I am developing it using MetroFramework and I got this error (in InitalizeComponents()). The error code is: System.IO.FileLoadException:'Cannot load file or assembly'MetroFramework, Version=1.4.0.0, Culture=neutral, PublicKeyToken=5f91a84759bf584a', or one of the files or assemblies that depend on it. The manifest definition of the found [...] read more

Could not load file or assembly 'System.Text.Encoding.CodePages, Version=4.1.2.0

I am getting this error: An exception of type 'System.IO.FileLoadException' occurred in Neodynamic.SDK.WebClientPrint.dll but was not handled in user code Additional information: Could not load file or assembly 'System.Text.Encoding.CodePages, Version=4.1.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from [...] read more

Error opening MDriven Prototyper in vs2019 Community

I am trying out the MDriven framework and have created a basic application from the templates provided. After updating the Model and Generating the code files, clicking on the protype button gives me this error: Could not load file or assembly 'System.Data.SQLite, Version=1.0.111.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139' or one of its dependencies. [...] read more

Dockerized .NET 5 Application - System.IO.FileLoadException: Could not load file or assembly

I have a .NET 5.0 application (using the Microsoft.NET.Sdk.Worker SDK) that has Microsoft.Extensions.Hosting as its only dependency. Building and running it locally works fine (Windows x64), but running it dockerized does not work. This is the Dockerfile: FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build-env WORKDIR /app # Copy csproj and restore as distinct [...] read more

Exception while sending message to Azure Service Bus Topics

While sending messages to Azure Service Bus Topics from existing .Net application, I am getting following exception > The type initializer for > 'Azure.Messaging.ServiceBus.Core.ClientLibraryInformation' threw an exception. > Could not load file or assembly > 'System.Runtime.InteropServices.RuntimeInformation, Version=4.0.0.0, > Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. > The located assembly's manifest [...] read more

.Net Standard 2.0 with .Net Framework 4.8 - Could not load file or assembly System.Security.Principal.Windows, Version=4.1.1.0

I'm working on an ASP application written in .Net Framework 4.8, running on IIS on Windows Server 2012 R2. I've created a NuGet package, which is a .Net Standard 2.0 library and it all runs happily on my local machine through Visual Studio debugging. Having deployed it to the server [...] read more

MvcBuildViews not working for x64 project

In a VS2017 ASP.NET MVC project I've noticed that my views aren't syntax checked on build/compile even though I have set MvcBuildViews to true. The project is now on MVC 5 but has been upgraded from some earlier version. It also started out being set to AnyCPU but it's now [...] read more

Unable to run SpecFlow+ tests in Azure Devops release pipeline

I am attempting to run a SpecFlow+ test for a .net core project in an Azure Devops release pipeline however my Visual Studio Test task always fails with the following... 2021-02-09T18:08:17.2287019Z **************** Starting test execution ********************* 2021-02-09T18:08:17.2538855Z [command]C:\agent0\_work\_tool\VsTest\16.8.3\x64\tools\net451\Common7\IDE\Extensions\TestPlatform\vstest.console.exe "@C:\agent0\_work\_temp\gnnuzvmfeti.tmp" 2021-02-09T18:08:17.4172728Z Microsoft (R) Test Execution Command Line Tool Version 16.8.3 2021-02-09T18:08:17.4173457Z [...] read more

Gitlab-CI deploy different files from local deploy for .net core

I have a gitlab-ci pipeline. When merge to develop branch, it is publishing to test server. But, there is an error when Gitlab-CI deploy the web site. So, I published in my local and send files to server. I compare with diff command local publish folder and gitlab-ci publish folder. [...] read more

Could not load file or assembly 'System.IO.FileSystem...'

I'm using .NET Standard 1.3 and .NET Framework 4.6. Most importantly, I'm trying to access these classes from System.IO.FileSystem: Directory class (i.e. Directory.Delete();) File class (i.e. File.Exists();) FileInfo class (i.e. FileInfo fi = new FileInto();) But I always end up getting errors like: > Could not load file or assembly [...] read more

Debugging Reflection TypeLoadExceptions

How do I debug this type of error? The problem file is System.Memory, Version=4.0.1.1. From what I can see, I have no references to this file in any of my projects and I've checked the dependencies of my imported nuget packages and none of them reference this file. Why is [...] read more

Publish in Azure: Mismatch dependency error. What is causing it and how to fix it when using publishing via a pipeline?

When I run for the first time or publish my project to a web-server via Visual Studio I get sometimes this type of error. > Could not load file or assembly 'Microsoft.Owin, Version=3.1.0.0, > Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. > The located assembly's manifest definition does not match [...] read more

Signal R NET Core

I have an error in the start of an application (Console Application) .NET Core 3.1. First I have a WebAPI .NET Core 3.1 that implements a "Hub" class "ChatWeb" passing the / chatWeb route as an endPoint. In my console application (.Net Core 3.1 and NuGet - Microsoft.AspNetCore.SignalR.Client 5.0.0) I [...] read more

Could not load file or assembly System.Runtime.CompilerServices.Unsafe on a clean autofac.mv5 installation

I just installed autofac.Mvc5 6.0 on my .net framework 4.7.2 installation. And without adding any code other than adding the nuget package I get this error: > Could not load file or assembly System.Runtime.CompilerServices.Unsafe, > Version=4.0.6.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a or one of > it's dependences. The found Assembly's manifest definition does [...] read more

Could not load file or assembly 'Newtonsoft.Json, Version=12.0.0.0 when running in container dotnet core container

On macOS. This issue seems to be caused by Google.Cloud.Storage.V1. This is my csproj: <Project Sdk="Microsoft.NET.Sdk.Web"> <PropertyGroup> <TargetFramework>netcoreapp3.1</TargetFramework> <RootNamespace>devopsapp_gke</RootNamespace> <!-- Add these BindingRedirects settings makes no difference --> <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType> </PropertyGroup> <ItemGroup> <PackageReference Include="Google.Cloud.Storage.V1" Version="3.3.0" /> <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="4.1.1" /> <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning.ApiExplorer" Version="4.1.1" /> <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="3.1.0" /> <PackageReference Include="Newtonsoft.Json" [...] read more

RestSharp Assembly Binding

I am trying to map RestSharp 105.2.3.0 to RestSharp 106.5.4.0 using assembly binding, but it fails. <dependentAssembly> <assemblyIdentity name="RestSharp" publicKeyToken="null" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-106.5.4.0" newVersion="106.5.4.0" /> </dependentAssembly> I am using the version from nuGet: <package id="RestSharp" version="106.5.4" targetFramework="net472" /> Log entries: > LOG: Policy not being applied to reference at [...] read more

System.IO.FileLoadException error report when open cshtml file

When open cshtml file in vs2017, I get the following error in my ActivityLog.xml; please refer: <entry> <record>811</record> <time>2020/12/29 02:38:09.681</time> <type>Error</type> <source>Editor or Editor Extension</source> <description>System.IO.FileLoadException: &#x672A;&#x80FD;&#x52A0;&#x8F7D;&#x6587;&#x4EF6;&#x6216;&#x7A0B;&#x5E8F;&#x96C6;&#x201C;stdole, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a&#x201D;&#x6216;&#x5B83;&#x7684;&#x67D0;&#x4E00;&#x4E2A;&#x4F9D;&#x8D56;&#x9879;&#x3002;&#x627E;&#x5230;&#x7684;&#x7A0B;&#x5E8F;&#x96C6;&#x6E05;&#x5355;&#x5B9A;&#x4E49;&#x4E0E;&#x7A0B;&#x5E8F;&#x96C6;&#x5F15;&#x7528;&#x4E0D;&#x5339;&#x914D;&#x3002; (&#x5F02;&#x5E38;&#x6765;&#x81EA; HRESULT:0x80131040)&#x000D;&#x000A;&#x6587;&#x4EF6;&#x540D;:&#x201C;stdole, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a&#x201D;&#x000D;&#x000A; &#x5728; Microsoft.VisualStudio.JavaScript.Web.Extensions.Interop.HTMLEditor.HTMLTreeHelperFactory.Create(ITextBuffer buffer)&#x000D;&#x000A; &#x5728; Microsoft.VisualStudio.JavaScript.Web.Extensions.Interop.HTMLEditor.HTMLTreeHelperFactory.&lt;&gt;c__DisplayClass0_0.&lt;GetOrCreate&gt;b__0()&#x000D;&#x000A; &#x5728; Microsoft.VisualStudio.Utilities.PropertyCollection.GetOrCreateSingletonProperty[T](Object key, Func`1 creator)&#x000D;&#x000A; &#x5728; Microsoft.VisualStudio.JavaScript.Web.Extensions.Interop.HTMLEditor.HTMLTreeHelperFactory.GetOrCreate(ITextBuffer buffer)&#x000D;&#x000A; &#x5728; Microsoft.VisualStudio.JavaScript.Web.Extensions.Classification.SPARegionTagger..ctor(ITextView [...] read more

Window Cordova throwing System.IO.FileLoadException: Could not load file or assembly 'System.Runtime.WindowsRuntime...'

I created one sample cordova app using windows platform and added one test plugin , while calling native code through test plugin. I'm getting exception WinRTError: The text associated with this error code could not be found. System.IO.FileLoadException: Could not load file or assembly 'System.Runtime.WindowsRuntime, Version=4.0.11.0, Culture=neutral, PublicKeyToken=..'. The located [...] read more

when i publish asp.net mvc i got error Could not load file or assembly 'App_Browsers - Copy' or one of its dependencies

Any thoughts on what might be causing this exception? when i publish asp.net mvc project i got following error "Could not load file or assembly 'App_Browsers - Copy' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040 i cannot [...] read more

Could not load file or assembly 'Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' with google api

In my project i used the library Newtonsoft.Json version 11.0.2, and i need use Google.Api and Google.Core, but when install this two library i receive the next error: > System.IO.FileLoadException: 'Could not load file or assembly > 'Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, > PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located > [...] read more

Wrong version of .NET assembly getting copied to Web Forms bin directory

I'm working on an ASP.NET Web Forms web site and frequently get run-time exceptions like the following: Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) === Pre-bind state [...] read more

Could not load file or assembly 'Ninject' or one of its dependencies

Could not load file or assembly 'Ninject' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) read more

FileLoadException .net core docker application

What is the easiest way to find the reason for a FileLoadException: in docker, when everything is running on local windows and linux machine? System.IO.FileLoadException: Could not load file or assembly 'Microsoft.Extensions.Logging.Abstractions, Version=3.1.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The located assembly's manifest definition does not match the assembly reference. (0x80131040) File name: 'Microsoft.Extensions.Logging.Abstractions, [...] read more