After renaming that folder, try to delete it again. And if you can't still delete it, then try the other steps mentioned in this link:
https://www.windowscentral.com/how-delete-windo...
---------------------------------------------------------------------
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
---------------------------------------------------------------------