I did some investigating about corrupted scheduler tasks in Vista :
Have a look here
http://www.vistax64.com/vista-perfor...uled-task.html sounds very similar. Solution includes editing the registry which isdangerous. Backup before .Your machine has enough memory, don't worry.Windows Live Suite Installation or Removal has no impact on any scheduledtasks or the calendar application. Try above website. people there have lotsof solutions, but not ideally adressed for beginners.Sascha

"Hooter" <> schrieb im Newsbeitragnews:%23Eaqgj$ x.gbl...> I did install SP2 on 5/27/2009. I let all updates install automatically oras recommended.> The only update I installed & removed the same day was Windows LiveEssentials & that was a long time ago.> The calendar problem started about a month ago. I have not used any ofthose tune-up programs & will not.