Do you want to try deleting the contents of the NGC folder as described here?
https://www.dell.com/support/article/sln308335
It's a Dell Support article SLN308335 if the link above doesn't work.
Let me know if I can help you further!
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.