495
Almost nine gigabytes in size: Windows update 24H2 creates an undeletable cache file
(www.digitec.ch)
This is a most excellent place for technology news and articles.
And then try
DISM.exe /Online /Cleanup-image /Scanhealth
andDISM.exe /Online /Cleanup-image /Restorehealth
that'll get rid of the 9GB file for sure. If not, reinstall everything again and again and again.