>Desktop? I don't understand why people always use the desktop. It gets so cluttered you can't find anything and you have to minimize everything to get to them. Very inefficient.

This depends on how a person would define its desktop. I find mine quite simple and easy to use.

>But, I think what's happened is the shortcuts for the file extensions has been set to VS2012. When Windows looks up the icon, it finds the new ones.

Ah ok, thanks