May 14, 2011
"[solved in this particular case - see g4pilut's post for solution. hint - manually undo xp compatibility for skype.exe after the default install for Win 7 has completed.]"
"First thing I'd suggest checking is that you're not running the latest version in Compatibility Mode. (I'm assuming you're running Win 7 although you didn't say.) Numerous users have had similar crashing problems because they were either deliberately or inadvertently running in Compatibility Mode."
http://forum.skype.com/index.php?showtopic=815997&view=findpost&p=3390473