Windows error 0x80131045, -2146234299

How to Fix, Could not load file or assembly 'XXX' or one of its dependencies. Strong name signature could not be verified

Currently I have the source of System.Web.Mvc assembly. Building is fine. But at runtime it throws, > Could not load file or assembly 'System.Web.Mvc' or one of its dependencies. > Strong name signature could not be verified. The assembly may have been > tampered with, or it was delay signed [...] read more

Test run errors with MSTest in VS2010

When I run my Unit Tests, all tests pass, but instead of "Test run succeeded" or whatever the success message is, I get "Test run error" in the little bar that tells me how many of my tests pass, even though all my tests passed. When i click the text, [...] read more

Could not load file or assembly: The assembly may have been tampered with, or it was delay signed but not fully signed with the correct private key

I use in my project ASP.NET assemblies building from source code. My project builded successful. But when I start in debug mode, I get exception Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered [...] read more

Could not load file or assembly stdole

Just installed VS2015 side by side with VS2010... Application in issue was built using VS2010 (set to use .Net 4.0) (not migrated to VS2015) worked fine on my machine, put it on server and fell over in a heap... stdole was the issue... In the error Windows Logs > Applications [...] read more

Could not load file or assembly 'System.Management.Automation'

I've written an asp.net MVC 3 web application ('ADReporter') on my local machine that uses Powershell to retrieve some data. If I run this application locally, everything works fine. Now I'm trying to run it on my Windows 2008 server but when i'm trying to access it, i get following [...] read more

DotNetOpenAuth compiles after modifications but throws runtime exception when running sample project

I downloaded the latest DotNetOpenAuth code from GitHub and initially it failed to build. I fixed the problem by running the following: sn -Vr *,2780ccd10d57b246 found here: http://www.dotnetopenauth.net/developers/contributing/quickstart-environment/ I went ahead and did some modifications to the project DotNetOpenAuth.AspNet. It compiled just fine. Then I created an MVC 4 web [...] read more

What would cause a 'could not load file or assembly' error concerning 'Microsoft.WindowsAzure.Configuration'?

I have a multi-tier Azure application I've been working on. It uses web and worker roles behind an MVC front end, as well as Azure SQL and Table storage. It has been working well for a while, both in the emulator and the cloud. I've just started adding some Service [...] read more

Compiling specific version of DotNetOpenAuth with a small change, signing issues

I am trying to build the version 4.3.0 release. But I am getting the known error: Could not load file or assembly 'DotNetOpenAuth.Core' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully [...] read more

Strange problems about strong name verification skipping

My ASP.NET application is using an assembly without strong name. When I run it in IE, it shows an error saying: > Could not load file or assemlby 'xxxxx.' or one of its dependencies. Strong > name signatuer could not be verified. The assembly may have been tampered > with, [...] read more

Unit Testing Public Signed .NET Core/Framework Libraries

I have a NuGet package library project that is compiling for .NET Core and .NET Framework. It is also using the new public signing. <Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup Label="Build"> <TargetFrameworks>netstandard2.0;net472</TargetFrameworks> </PropertyGroup> <PropertyGroup Label="Signing"> <SignAssembly>true</SignAssembly> <AssemblyOriginatorKeyFile>../../Key.snk</AssemblyOriginatorKeyFile> <PublicSign>true</PublicSign> </PropertyGroup> </Project> I have an xUnit test project using which is also cross compiling to [...] read more

Could not load file or assembly, Strong name signature could not be verified

I am having a nightmare :( I developed a website in MVC using .Net 4.5.1 and it been working for months and after i updated the code (just one string line) it suddenly crashed and nothing is working. The problem seems to be in the bin folder or references because [...] read more

Could not load file or assembly 'EntityFramework' or one of its dependencies. The assembly may have been tampered with

I am trying to Publish my Webforms project through Visual Studio 2012 to my host 1&1. My web project works fine on local, zero issues. It successfully builds and publishes, however, I get the following error when entering the domain url. Could not load file or assembly 'EntityFramework' or one [...] read more

How do completely disable signed assemblies?

I have a VS.NET 2010 solution with several projects. I just added a new library project (the.library.assembly). The startup project is a website. When I run the website, I get this error: > Could not load file or assembly 'the.library.assembly' or one of its > dependencies. Strong name signature could [...] read more

PDFLib.NET dll for .NET Framework4.0?

I have developed a searchable PDF viewer in .NET2.0. We are now upgrading our application to 4.0 so that PDFLibNet.dll is compatible with this version. The message is: Could not load file or assembly 'PDFLibNet, Version=1.0.6.8, Culture=neutral, PublicKeyToken=26d87f7d66fb2aee' or one of its dependencies. Strong name signature could not be verified. [...] read more

FacebookOAuthClient - Could not load file or assembly 'Facebook.Contracts' or one of its dependencies

I'm developing a .net 3.5 project in VS2008 and I'm trying to use FacebookOAuthClient. The problem is that I keep getting, "Could not load file or assembly 'Facebook.Contracts' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was [...] read more

Using T4 with .NET Core 2.0 and referencing a package from a template

I tried using T4 in a .NET Core 2.0 app project but it seems that T4 doesn't recognize included namespaces. For example, after installing Microsoft.AspNetCore.All package and having the following piece of code: <#@ import namespace="Microsoft.Extensions.Configuration" #> <#+ public class ConfigurationHelper { public string ReadConfig(){ var builder = new ConfigurationBuilder() [...] read more

"System.ServiceModel.Primitives"- assembly not found or dependecy not found

I Have a project with a ASP.Net Web api. Since I added a Method to upload and download files a get a strange error. The file or assembly "System.ServiceModel.Primitives" or a dependency thereof was not found. The signature with a strong name could not be verified. The assembly may have [...] read more

Strong name signature could not be verified

I am deploying ASP.Net MVC 3 application on Windows 2008 R2 server. I published the application from Visual Studio 2010 using File System. I have two assemblies that have delay signed and have valid snk file. The deployment was done using xcopy as it is internal application. But there were [...] read more

Could not load file or assembly 'Microsoft.AspNet.Identity.EntityFramework' or one of its dependencies. Strong name signature could not be verified

I know this question has been asked several times and i saw some solutions here on Stackoverflow, but after trying every possible problem solving tips out i still could not get a hang of my error. i tried to uninstall from my Package Manager but it seems i have 2types [...] read more

MVC4 custom build error Strong name signature could not be verified

I'm trying to do a custom build for MVC4, this for educational purpose rather than project. I get the code from http://aspnetwebstack.codeplex.com/ compiled fine, make a small change, get the output System.Web.Mvc and inject it in my project. I removed the references for System.Web.Mvc from my project and linked to [...] read more

Unit Test/Code Coverage Warning & Error VS2010

I have a sample test project given to developers on my project team to learn how to use automated tests. When I run the set of unit tests that I have, they all pass but I receive the following Warning and Error: > > Warning: conflict during test run deployment: [...] read more

how can Add My On Claim on DotNetOpenAuth

How can I add my own claim to a user assertion using DotNetOpenAuth as an OpenID Provider? I need to add some attribute to ClaimsRequest and ClaimsResponse like "UserID". I added this attribute in both class ClaimsRequest.cs and ClaimsResponse.cs, and when I build DotNetOpenAuth with this change, it works well [...] read more

asp.net 3.5 referencing project with assembly reference throws signing/strong name error in Unit Test

I have a reference to a MySQL.Data 5.2.3 assembly in a data layer, great. I currently I have small console app inteh same solution referencing JUST THIS data layer which connects just fine. I then created a unit test project (also in the same solution) and reference that same data [...] read more

Is log4net killing my WCF unit tests?

I have three projects in my solution: * A WCF web service which provides functionality I want to test * A Web Application which calls that web service * A test project which runs tests on the service. The web service and the web application both use log4net with separate [...] read more

What version of SN tool should I use for resigning .Net v3.5 interops?

There are some c++ projects(vcxproj) in my solution those really interop projects. All was fine until I tried to re-build them for .net v3.5 (they initially target .net v4.5) I changed the version string to "v3.5" in the project files, changed the path for ilasm to ‘C:\Windows\Microsoft.NET\Framework\v2.0.50727\ilasm.exe’ and all looks [...] read more

Why doesn't Strong Name Bypass work under AppDoman.ApplicationBase when using xUnit?

I have tampered with a public key on an assembly using Mono.Cecil (for a reason). The signature of the assembly is now invalid, but I expect it to work anyways due to Strong Name Bypass. Now I try to load it (.NET 4.7.1): 1. Console app, folder under ApplicationBase — [...] read more

Npgsql assembly error in Classlibrary output type

I have to connect to postgresql via Npgsql provider in nunit test, but I'm facing an assembly error: > System.IO.FileLoadException : Could not load file or assembly 'Npgsql, > Version=4.0.1.0, Culture=neutral, PublicKeyToken=5d8b90d52f46fda7' or one of > its dependencies. Strong name signature could not be verified. The assembly > may have [...] read more

Unable to load Npgsql from a .NET class library xUnit test

I'm learning a bit of entity framework, and have started writing some test cases around it. I'm running into a problem whereby I am unable to load an assembly in the testcase, even though I can do so just fine (and the versions of the assemblies are the same) in [...] read more

Microsoft.SqlServer.SqlManagementObjects from Nuget..., Strong name signature could not be verified

I've added the Microsoft.SqlServer.SqlManagementObjects (140.17235.0) from Nuget to an Asp.Net MVC application and am getting an error immediately upon running. Could not load file or assembly 'Microsoft.SqlServer.XEvent.Linq' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay [...] read more

Could not load file or assembly 'AdaptiveCards.Html'

After upgrading to bot version v3.8 and installing adaptive cards from Nuget package manager, i build my bot solution. Everything works fine but when i use ngrok to make my local address public, i'm getting an error : > Could not load file or assembly 'AdaptiveCards.Html' or one of its [...] read more

Could not load file or assembly 'EntityFramework' or one of its dependencies. Strong name signature could not be verified

enter image description here [https://i.stack.imgur.com/jlkyq.png] > Could not load file or assembly 'EntityFramework' or one of its dependencies. > Strong name signature could not be verified. The assembly may have been > tampered with, or it was delay signed but not fully signed with the correct > private key. (Exception [...] read more

Microsoft.IdentityModel.Logging: Strong name signature could not be verified

I'm trying to use the Microsoft JWT Library. I have downloaded and compiled the source code, but when I try to run it, I have the following error: > Could not load file or assembly 'Microsoft.IdentityModel.Logging, > Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of > its dependencies. Strong name signature could [...] read more

httpclient PostAsJsonAsync method not found .net frame work 4 parallel solution

HttpClient client = new HttpClient(); var response = client.PostAsJsonAsync(url, obj).Result; The method PostAsJsonAsync is not working in .NET Framework 4.0 even after adding dll -System.Net.Http.Formatting error observed is - > Error 1 Could not load file or assembly 'System.Net.Http.Formatting, > Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of > its dependencies. Strong [...] read more

ASP.NET - C# Could not load file or assembly 'Eyelock.Eye.Matching'

I have been working a project that uses a hardware device Eyelock using Eyelock C# SDK. I tried to import the C# references to ASP.net C#. During compiling the project, there is no problem with it, but during runtime, there is an error that making the project won't run. Here [...] read more

Error with ajaxcontrol toolkit

I am getting the following error when trying to use the ajaxcontroltoolkit. Has anyone ever came across this error and know how to fix it? UDATED I uploaded the system.reflection.dll and now I am getting the following error: anyone have any ideas or have ever seen this: Could not load [...] read more

Could not load file or assembly 'Telerik.Web.UI' or one of its dependencies. Strong name signature could not be verified

Today, when I opened my ASP.net project in Visual Studio 2010 with Telerik ASP.net Ajax 2013 Q2 installed on it, I realized that when running, it gives a server error, with this error info: > Could not load file or assembly 'Telerik.Web.UI' or one of its dependencies. > Strong name [...] read more

Could not load file or assembly 'EntityFramework' or one of its dependencies - Strong Name verification

I've recently started to get the following error in my .NET 4.5 MVC-Application: Could not load file or assembly 'EntityFramework' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully signed with the [...] read more

How to setup so I can set a breakpoint in ASP.NET MVC 4 source?

I'm trying to set a breakpoint in the source code for MVC 4. Here are the steps I took: * Cloned the Git repo at git clone https://git01.codeplex.com/aspnetwebstack.git * Compiled in visual studio * executed: sn -Vr * * Added an MVC 4 project to the solution * Removed the [...] read more

how to disable delay signed in c#.net web projects

I am getting these error as Build (web): Could not load file or assembly 'PetShop.DBUtility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=a7987b61c51ca872' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully signed with the correct private [...] read more

Access control Service and Azure Websites Could not load System.IdentityModel.Services

I've created an ASP.NET MVC 4 app using visual studio 2012 RC on Windows 8 release preview. I downloaded and installed the WIF toolkit and used the "Identity and Access" option in the solution menu to add my Access Control Service metadata endpoint. Tested locally and all is well. When [...] read more

Facebook C# SDK installation from Nuget not working

Coding Platform: ASP.NET WebForms4.0 VB Installed Facebook and FacebookWeb and when I run the application. I get this error > Could not load file or assembly 'Facebook.Contracts, Version=5.0.25.0, > Culture=neutral, PublicKeyToken=58cb4f2111d1e6de' or one of its dependencies. > Strong name signature could not be verified. The assembly may have been > [...] read more

Facebook.Web.Contracts - strong signature could not be verified?

I've been going through the tutorial for the .NET Facebook SDK on codeplex. I used Nuget to install the SDK, as the tutorial indicates. However, when I try to run the application, I get the following exception: > Could not load file or assembly 'Facebook.Web.Contracts' or one of its > [...] read more

Dynamic IP Restrictions - Error when installing on IIS

I've been trying to install the IIS Dynamic IP Restrictions plugin (http://www.iis.net/download/dynamiciprestrictions) for a while and finally decided to post a question about it. Whenever I run the installer I get the following error: -------------------------------------------------------------------------------- Product: Dynamic IP Restrictions for IIS 7 - Beta 2 -- Error 1937. An error [...] read more

FileLoadException when use Roslyn in VSTO plugin for Word

I downloaded a Roslyn source code and built everything according to the instructions here I made a reference to 3 files: Microsoft.CodeAnalysis.dll Microsoft.CodeAnalysis.Features.dll Microsoft.CodeAnalysis.Workspaces.dll But when I run the following code I get the following error: public partial class ThisAddIn { private void ThisAddIn_Startup(object sender, System.EventArgs e) { try { [...] read more

Exception error after upgrade dev express

After change dev express DLL in Bin directory from dev express 16.2 to 20.2 i got this error : put all dev express dll in Bin folder and change and fix reference from web.config Could not load file or assembly 'DevExpress.Data.v20.2' or one of its dependencies. Strong name signature could [...] read more

Could not load file or assembly 'Xamarin.iOS' or one of its dependencies. Strong name signature could not be verified HRESULT: 0x80131045

I've searched but I can't find a solution I ha a Xamarin Forms App in visual studio so I have 5 project in my solution: MagCoils MagCoils.Android MagCoils.iOS MagCoils.UWP MagCoils.WebService I work only with MagCoils, MagCoils.Android and MagCoils.WebService... never tested iOS and UWP. After switch form Visual Studio 2017 community [...] read more

How do i add dependencies to ASPX forms project? (nuget already tried)

I have worked with asp forms long time ago, now i must create a simple web interface, which uses powershell library. [Nuget URI][1]https://www.nuget.org/packages/System.Management.Automation/ But seems impossible. using System.Management.Automation; <-- doesn't work any place. Already tried installing the usual way (via cli and giu), copying the library to \bin folder and [...] read more

Could not load file or assembly 'Microsoft.Configuration.ConfigurationBuilders.Azure, Version=1.0.0.0

Tying to build a freshly cloned project, when i build i get this error Could not load file or assembly 'Microsoft.Configuration.ConfigurationBuilders.Azure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not [...] read more

Publish Devexpress dll

error "Could not load file or assembly 'DevExpress.Data.v19.1' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully signed with the correct private key. (Exception from HRESULT: 0x80131045)" when publish my project on [...] read more

Web API Deployment error

I get the following error when deploying my Web API Project that is targeting the .NET 4.5 Framework. I have made sure that all the referenced DLL's are in the bin folder. Please have a look below and see the error: Server Error in '/' Application. Configuration Error Description: An [...] read more

Could not load file or assembly 'FastReport'

the report show correct in my local but when i upload i have problem . > could not load file or assembly 'FastReport' or one of its dependencies. > Strong name signature could not be verified. The assembly may have been > tampered with, or it was delay signed but [...] read more

Could not load file or assembly 'EntityFramework.SqlServer' or one of its dependencies

I created a project in Visual Studio 2015 but after copy and run on other computer it gives me below error > Could not load file or assembly 'EntityFramework.SqlServer' or one of its > dependencies. Strong name signature could not be verified. The assembly may > have been tampered with, [...] read more

Strong name errors running Roslyn from source on Azure

I am trying to run an Azure web role that uses the Microsoft.CodeAnalysis "Roslyn" library. Due to requiring features that were added since the most recent RC build available on NuGet, I am building the code from the GitHub repository I linked. I am performing the build by running the [...] read more

ASP.NET Website is not longer working after the latest Windows Updates

Our ASP.NET website uses some external assemblies like AjaxControlToolkit.dll, AjaxMin.dll, DocumentFormat.OpenXml.dll and some more. They are registered in the References-Node. All worked fine, but after the latest windows Update, I got the following error: Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. Strong name signature could [...] read more

System.IO.FileLoadException: Could not load file or assembly 'IBM.Data.DB2'

I am currently working on Outlook 2013 Addin Projects using visual studio 2013 and Visual Basic .Net. However, when I try to connect to DB2 Database. It shows that the dll files that I added into the project reference cannot be loaded. What I do is add a new panes [...] read more

How to navigate/step into asp.net mvc 5 source code?

I was following this post. So far I can navigate and build the solution; but whenever I try to debug/run it, I keep this error coming up: > Could not load file or assembly 'System.Web.Mvc' or one of its dependencies. > Strong name signature could not be verified. The assembly [...] read more

ASP.NET - Couldn't publish my web site in windows server 2008 r2

First of all I publish my website in windows 7 and everything goes alright. But when I'm trying to publish the same website in windows server 2008 r2 I got this error: > Server Error in '/MyWebsite' Application. Could not load file or assembly > 'System.Net.Http' or one of its [...] read more

Could not load file or assembly 'SOMEXYZ' or one of its dependencies. Strong name signature could not be verified

Could not load file or assembly 'SOMEXYZ' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully signed with the correct private key. (Exception from HRESULT: 0x80131045) This is the error I am [...] read more

Error in installing EntityframeworkwithheirarchyId6.0.2

Hi I have a problem in installing entityframeworkwithheirarchyId how can I fix it. I installed and reinstalled few time but its not work. Exception calling "LoadFrom" with "1" argument(s): "Could not load file or assembly `EntityFramework.PowerShell.Utility, Version=6.0.0.0, Culture=neutral, PublicKeyToken=6847f3395fc61b47' or one of its dependencies. Strong name validation fai led. (Exception [...] read more

Error: Could not load file or assembly 'AjaxContolToolKit'? Strong name signature could not be verified?

I had formatted my disk fully and then reinstalled the windows. After reinstalling i had opened my project and run it. then it gave me this error. > Could not load file or assembly 'AjaxControlToolkit' or one of its > dependencies. Strong name signature could not be verified. The assembly [...] read more

Couchbase not working on production server

I am using Couchbase client inside my asp.net web mvc project (i downloaded the dll files from here) I have a Couchbase Server installed on Windows Server 2012 x64. When developing the project, everything works as expected. When i publish the website on the server, i get this error: Could [...] read more

deploying/running apps that have strongly named assemblies

In our development environment we use 1 snk file that is used on assemblies signed with vs signing tab on a project. We also run sn -Vr *, someKey. However when I tried to run an exe that use these assemblies I get > Exception Details: System.IO.FileLoadException: Could not load [...] read more

Error when accessing Core Service from a client machine

I am working with the Core Service on SDL Tridion 2011, connecting from client machine to the Tridion server. I am getting some error while I am trying to execeute it. Sample code namespace coreservice1 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { [...] read more