Whoever is getting the Application Error/Crash should probably just wait a few hours or until tomorrow because I'm sure Dave has already heard about it with all the spam that's going around the forums.
Their probably trying to figure it out right now.
But as of now it BASICALLY only works on Vista, nobody's really sure why.
Just sit back and wait til later or tomorrow for an update from Dave or a fix.
OK? Stop the spam, were all getting it if were on XP.