What version of SpyBot is on that PC ?
Ensure all third party chat programs are the current versions, aim and yahoo messenger.
Update suns java manualy
Sun Java "Java Runtime Environment (JRE) 5.0 Update 8" is Available:
http://forums.spybot.info/showpost.p...80&postcount=2
Afterwards it's important to uninstall the old version's via addremove programs.