I'd say some sort of malware has wormed its way into your system. What sort of pest control do you have in place?
Whenever a user account logs off, it stops with the following message:
Program "hv4tK3y7d9DD89CR1Jelw24 + defa..." not responding end or cancel.
Clicking end or cancel both end it and user is logged off.
Does anybody know what this is?
Running windows xp sp2.