When trying to install either CU1 or CU2 on a 2008R2 x64 server where DotNet Framework 4 has been installed I get a error message that the "Managed SQL Server Installer" has stopped working.I had one server that would install the update - and I realized that it hadn't been updated with V4 of DotNet.I proceeded to test my theory by renaming the v4.0.30319 directories in both C:\Windows\Microsoft.NET\Framework and FrameWork64 to 'Bad'. Once I did that - the installer proceeded to work as it reverted to an earlier version of DotNet since it couldn't find 4.0...
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