I should have posted this about a week ago when I first ran into these issues.  If you’re planning on installing WinFX September CTP (beta2), know this:

  • This CTP installs a new version of the framework. 
  • You must first uninstall your current framework version.
  • Due to the new version of the framework, SQL Express doesn’t work.
  • The SDK and VS Extensions only work with beta2 of Studio.
  • As previously posted, your beta1 WinFX code will need to updated to work with beta2.

 I got a little ahead of myself when I was installing the CTP and because of it, I had to reformat my laptop.  Hope this helps anyone who’s about to install this CTP.