“The Format of the PE Module is Invalid” After VS2012 Update 2 Installed

If you’re a Windows stack developer and you’ve just installed the VS2012 Update 2, which came out last week, you may have suddenly started to see this beautifully impenetrable error message whenever you try to debug a web project: “Unable to launch the configured Visual Studio Development Web server. Unable to start debugging. The format of the PE module is invalid.”

 

Oh no! Not the PE module!

 

A bit of Google-fu confirms there’s a coincidence between installing Update 2 and getting this error.

So how do you resolve this?  Continue Reading ““The Format of the PE Module is Invalid” After VS2012 Update 2 Installed”