Originally Posted by frau kaleun

I remember having occasional issues with not being able to alt-tab/minimize and then get the game back to full screen again... TBH I think it wasn't so much that as it was the issue with the Windows cursor staying on the screen and active (in addition to the in-game pointer) sometimes and I can't remember what the trick was to making it all work right.

Altho my first suggestion would be to get rid of Norton, but that has nothing to do with Skyrim.