cubase windows 10

hey guys,
i use cubase pro 8 on a windows 10 pc with thunderbolt adapter and apollo 8.
So since recently i cant save my cubase projects. It says: cannot create Project folder.
Its super weird because my cubase project folder seems to be “read-only”. But i can rename files in that folder which should not be possible on read-only folders.After i unclick the read only box and i close the folder, it becomes read only again when i open i open it again. Ok so i tried following things:

  1. updated cubase ,windows and uad software
  2. copy file types in the windows defenderexceptions
    3)i tried to run cubase as admin which didnt help

if anyone can help i would be super greatful,
thanks, best