Forum Discussion
SeanIT
Aug 05, 2025Copper Contributor
Windows 11 Hard drive filling up: C:\Windows\installer over 300GB+
We have a group of random HP computers all a year old or newer, where just recently the C:\Windows\Installer folder just started to use all the hard drive space. Most of the larger files in there s...
UnornalUse
Aug 06, 2025Copper Contributor
Run the Disk Cleanup tool and select Windows Update Cleanup, or manually delete redundant patch caches in C:\Windows\Installer.
SeanIT
Aug 07, 2025Copper Contributor
I failed to mention we have done this multiple times as well. I just cant seem to find the patch or program causing this.