title: Can't open vs2008 project after vs2015 uninstall
body: <p>I have Visual Studio 2008 and 2012 installed. Recently, I also installed Visual Studio 2015 but later uninstalled it.  Now I can't open my compact framework project in Visual Studio 2008.</p>
  
  <blockquote>
    <p>Unable to read the file project 'Projectname.vbproj'. MSbuildToolsPath is not specified for the ToolsVersion "14.0" defined at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14", or the value specified evaluates to the empty string.</p>
  </blockquote>