I just upgraded to windows 8 from windows 7. Visual studio 2010 broke down completely. Oh well. I removed vs2012 and installed visual studio 2012, where the pain starts. I h
I was having various issues, including the above.
To resolve the problem on Windows 8 for VS 2012, setting it to run as administrator fixed the problem for me.
Launch icon properties->Advanced Properties->Run as administrator
I hope this helps.
Cheers, Sean