I have tried using disk cleanup to remove 'previous versions of windows' but this only removes a few MB. The first time it went from around 5GB to around 900MB, then each time I run the disk cleanup it removes around 10MB. I've tried taking ownership using command prompt. While using the TAKEOWN command line, it says SUCCESS for each file but when I use RD or RMDIR, it says access denied for everything. I even run the DIR windows.old command line to check if the folders were not 'ghost folders' if that's a thing.
I am using Windows 10 Insider Build 10547 btw and somehow it also does not want to update. So, I reset it and that's why I got the windows.old folder again. Last time I updated my pc the folder was gone with a disk cleanup.
