Task Scheduler in Windows 7/Vista store the tracked events for each task, which can be viewed by opening the task properties and clicking on the History tab. The entries are stored in the Microsoft-Windows-TaskScheduler event log. To clear the events history for all tasks, use the instructions in this article.

Click Start, type Eventvwr.msc and press ENTER.
Navigate to the following branch:
Right-click Operational and click Clear Log…
Click the Clear button.

This erases the task scheduler events history for all tasks.
Related Posts
- Task Scheduler Service Properties Are Grayed Out in Windows Vista
- How to Clear System Information Tool (MSInfo32.Exe) History in Windows XP
- Fix for Disk Defragmenter GUI Not Opening in Windows Vista
- How to Clear File Search MRU History in Windows 7
- Clear Recent Documents History in a Single Click in Windows XP, Windows Vista and Windows 7
If you enjoyed this post, make sure you subscribe to our RSS feed! We feature Tips, Troubleshooting information, Scripts and Utilities for Microsoft Windows Operating Systems!
Prefer an E-mail subscription?





Why would anyone delete the history though? It’s very useful.