How to Clear Run History in Windows 7

 In order to clear your entire Run history in Windows 7, you need to do the following:

1. Right click on the taskbar, go to Properties.
2. Select Start Menu.
3. Uncheck the property, “Store and display recently opened programs in the Start menu.”
4. Apply the changes and select OK.

If you need to have the run history again, you just need to check the property, “Store and display recently opened programs in the Start menu.”