Error loading WPF package?

Package download error

Package 'Microsoft.VisualStudio.Xaml' did not load correctly., Yadda, yadda, yadda.

So now? This package is somewhat important as I was hoping to do some WPF stuff this afternoon. Tried working without it and my XAML design didn't go away.

I've already tried "devenv / resetsettings" from the command line.

Thanks Scott

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Try to repair the installation.

  • Control Panel
  • Add Remove Programs
  • Select Visual Studio 2008 and select "repair"


Have you recently installed any updates for Visual Studio or any add-ons? If so, can you list them?

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Install SP1: http://www.microsoft.com/downloads/details.aspx?FamilyId=FBEE1648-7106-44A7-9649-6D9F6D58056E&displaylang=en

I got this problem after a fresh install of Team Team Team VS2008. Tried downloading updates, running installation, reinstalling. Bad luck.



SP1 and bingo installed! More package download failures.

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I -FINALLY- saw this error coming under "Tools | Options | Environment and Colors Fonts" after trying everything I could think of to fail when I selected "Tools | Import and Export".

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I got this problem when I installed Visual Studio Professional.

My theory was that this was because I already had Visual C # 2008 Express Edition installed.

Once I uninstalled and reinstalled Visual Studio Professional it worked.

This is consistent with the OP's solution, which was to remove everything that implemented the XAML functionality.

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In my case, just reinstalling SP1 did not work

Then I saw that there was a mixed two languages ​​in the IDE. So, I checked the installed programs and found:

  • Microsoft Visual Studio Tools for Applications 2.0 ENU
  • Microsoft Visual Studio Tools for Applications 2.0 Language Pack - ESN

When yive removed the extra package the design views started working again

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In my case the machine.config file received bad XML due to a recent install. There were two end tags. After fixing the bad XML, .NET works fine.

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Thanks to Abraham for the tip. I lost my end tag in .NET .NET x86 machine.config.

However, I have already spent hours repairing, uninstalling, installing and installing service packs.

WILL NOT BE GLORY IF THE VISUAL STUDIO 2008 GETTING THE "MACHINE.CONFIG" ERROR!

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