Visual Studio freezes or hangs on startup

Question

I have been using Visual Studio for a while and found that when I open visual studio and open the project all the files that were open last time remain open.

This ca

Answer 1

In my case, VS 2013 Professional was hanging on startup because the license was no longer valid.

Last item in the log file:

    367
    2015/07/13 20:11:05.051
    Information
    UserConnection
    myemailaddrs@gmail.com signed in for IDE user

And on the msdn.microsoft.com subscription page: "Your subscription is no longer active, contact your administrator."

I had to get an updated subscription from my employer.