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Do you use WizTree to check the folder size ? If so you will find that what you can see and can delete is just a fraction of the actual disk size used. I've included screenshot and addresses this point already in my question.
– Graviton
Commented Sep 20, 2022 at 12:12
I now installed and ran WizTree. On my computer the size is exactly that of the files I can see. Have you tried to run chkdsk (without /f parameter)?
– harrymc
Commented Sep 20, 2022 at 12:21
@Graviton To access all files in system folders, you must run the program as administrator.
– Daniel B
Commented Sep 20, 2022 at 12:24
@DanielB: I didn't need admin permissions to see or delete these files. I had about 140 MB.
– harrymc
Commented Sep 20, 2022 at 12:33
@harrymc You have non-standard permissions then. The config folder is not accessible for regular users, and neither are its contents of course.
– Daniel B
Commented Sep 20, 2022 at 12:44

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