Vista System restore error 0×80041321

Vista System Restore error; Could not create restore point

Error Message:
Could not create the scheduled task for the following reason: The task image is corrupt or has been tempered with. (0×80041321)

1. Delete System Restore entries on following registry path

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
NT\CurrentVersion\Schedule\TaskCache\Tasks\

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
NT\CurrentVersion\Schedule\TaskCache\Tree\

2. Delete file named "SR" on c:\Windows\System32\Tasks\Microsoft\Windows\SystemRestore

3. Reboot.

-pau