MSBuild does not contain a value for the “VCTargetsPath” property

Question

I recently installed the Visual Studio 11 Developer Preview to try it out, and now my VS 2010 projects won\'t open. Instead, I get the following error message:

Answer 1

Here's the thing that did trick for me:

Change registry value named DefaultToolsVersion located in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\4.0 from 2.0 to 4.0. Do the same thing in Wow6432Node too.