my G/f is having a really strange problem I've never seen before in XP. Whenever she opens a folder that contains a thumbnailed avi, she gets the, "explorer has encountered an error" message. It only does this on avi files. Note, this is a fresh install of XP, after all the updates. Also, we tried the same XP install disc on my mothers comp, and it did the same thing. Thing is, I'm using that install right now, and it doesn't give me any problems.