Can I Delete Old Security Updates for Windows 7?

Microsoft released an update on October 8, 2013 that allows you to remove outdated Windows Updates using Disk Cleanup in Windows 7. This update adds a new plugin to the Disk Cleanup wizard. After you install this update, you can use the Windows Update Cleanup option to delete Windows updates that you no longer need.

Can I uninstall old Microsoft security updates?

Unless you uninstall the products the updates are for, do not remove the updates (the updates would be removed automatically when you removed the product they patched.)

What happens if I delete old Windows updates?

The answer here is generally no. Updates often build upon previous updates, so removing a prior update can sometimes cause problems. But there’s a a caveat: a cleanup utility – sometimes called Windows Update Cleanup – may have the option to remove prior updates.