Thoughts about setup and deployment issues, WiX, XNA, the .NET Framework and Visual Studio
All postings are provided AS IS
with no warranties, and confer no rights. Additionally, views expressed
herein are my own and not those of my employer, Microsoft.
Description of the issue
There is an issue with the .NET Framework 4 beta 1 and Visual Studio 2010 beta 1 that can cause problems if you do the following:
When doing this, some programs that depend on the .NET Framework will not work correctly after you finish your OS upgrade. Once a system is in this state, there is not a way to repair it other than to re-install Windows 7.
This issue will be fixed in the .NET Framework 4 beta 2, but will affect systems that have .NET Framework 4 beta 1 installed prior to the OS upgrade.
How to work around the issue
To work around this issue, you must do the following in the exact order listed below:
You can find more specific steps that describe how to uninstall all of the above beta 1 products in this post on Aaron Ruckman’s blog.