1) Win XP Home

2) Just generally moving between applications and differnt windows (eg from forum to message and back)

3) Happy to hear that.

I hope it is the camera software and I will start with that one, then over the weekend I plan to remove things one by one, until it will defrag OK.

Also going to remove the Zip, CD and DVD drives and reinstall them - I can't see another way to rename them.