I would do a repair on visual studio 2019. If that does not help try disabling any visual studio extensions you might have installed.
visual studio 2019 enterprise Installation probelm
I installed Visual Studio 2019 enterprise. In the middle of the installation I noticed that the installation got stuck on a process called Microsoft.Build.UnGAC.exe. The installation did not proceed and I had to stop this process. After stopping the process the installation progressed and it finished but I got this error message: Could not install Microsoft.Build.UnGAC.exe After that I tried to open VS 2019 and I got this message --------------------------- Microsoft Visual Studio --------------------------- The 'Visual Studio Build Manager Package' package did not load correctly. The problem may have been caused by a configuration change or by the installation of another extension. You can get more information by examining the file '%userprofile% \ AppData \ Roaming \ Microsoft \ VisualStudio \ 16.0_4941b04c \ ActivityLog.xml'. Restarting Visual Studio could help resolve this issue. Continue to show this error message? --------------------------- Yes No --------------------------- I open my project but I couldn't compile anything.
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Anna Xiu-MSFT 24,636 Reputation points Microsoft Vendor
2021-03-26T07:11:37.667+00:00 Hi @Mickey Mendelovich ,
Welcome to Microsoft Q&A!
Have you tried to repair your Visual Studio? You can also try the following workaround:
- Close all instances of Visual Studio;
- Delete the following folder: %localappdata%\Microsoft\VisualStudio\16.0_xxxx\ComponentModelCache;
- Relaunch your Visual Studio as administrator.
Sincerely,
Anna- If the answer is helpful, please click "Accept Answer" and upvote it.
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