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
I had the same issue with Community 2015 version. I solved it with Vidas Vasiliauskas suggestion, which was to erase user settings.
The thing is that I previously had enterprise 2015 version, in which I was logged in with my Microsoft account. When trying to open community version, it tried to do so with that same account, which I believe was the cause of the issue.
Therefore, I would suggest to those with the same problem to run the following command at Command Line Prompt:
C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\devenv.exe /ResetUserData