DEP0600: Deployment failed. XmlException - '.', hexadecimal value 0x00, is an invalid character

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MS VS2017. Microsoft Visual Studio 2017.

DEP0600: Deployment failed. XmlException - '.', hexadecimal value 0x00, is an invalid character.

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  • Solution may be near. Please hold on suggestions for one day. In response to the comment below. I have renamed original VS2017 Projects Folder as an archive. MSVS2017 creates a new one, perhaps with no damages. This is beginning to help the problem. Blank Projects now can be deployed. Moving the original solution folder back in failed. I am trying to execute file triage to get the application running again. This project is relatively small. Thus the cut and paste solution is being attempted.

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Deployment failed. XmlException - '.', hexadecimal value 0x00, is an invalid character. Line 1, position 1. [0x80131940]

An application was running fine for days. Now deployment fails.

What does the error mean? How can I correct it? There is no file name provided.

The only idea I have seen vaguely by searching is to reinstall VS2017. For lack of time I have not done this yet.

Thanks.

I would like to give more context. But many things were changed before the application was run again. So I do not want to submit superstitious ideas yet. Close and Open VS2017.

VS2017 gives me this error even if I create a new blank UWP application.

Thanks for your ideas.

deployment
uwp
visual-studio-2017
asked on Stack Overflow Apr 8, 2017 by VIRTUAL-VOID • edited May 4, 2017 by Daniel A. White

4 Answers

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I had the same problem. Deleting the App from Apps & Features solved the problem for me.

answered on Stack Overflow Jul 19, 2017 by andreasnauta
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Error DEP0600: Deployment failed. XmlException - '.', hexadecimal value 0x00, is an invalid character. Line 1, position 1. 

After deleting AppData/Local/Microsoft/VisualStudio folder, and restarting 
Visual Studio, this error disappears, and blank projects will deploy normally.
answered on Stack Overflow May 18, 2017 by pollaris • edited May 18, 2017 by pollaris
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Uninstalled the UWP apps from apps and features worked for me.

answered on Stack Overflow Jul 20, 2017 by Roy John
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What worked for me was to right click on the solution and click Properties, selected assembly information and incremented the Assembly Version and File Version and recompiled it. Don't ask me why this worked, I have no idea but it worked for me.

In the error that was flagged up it contained the version number 1.3.3.3 so I just changed it to 1.4.1.1 and it worked.

answered on Stack Overflow Sep 5, 2019 by Lexter

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