- Open Control Panel
- Double-click the Scheduled Tasks folder
- Select the Advanced-item in the menu, and pick View Log
It is possible to configure the max-size and the location of the log-file:
[HKEY_LOCAL_MACHINE \SOFTWARE \Microsoft \SchedulingAgent]
MaxLogSizeKB = 32 (Default = 32 KBytes)
LogPath = "%windir%\SchedLgU.Txt"
More Info MS KB169443