Download assistant problem.cant update

ive updated too the newest download asistant so i can get the free harp and now im getting problems and issues.
as download assistant is trying to load its saying close cubase 13 so it can update the mediabay but c13 isnt running no version of cubase is running.
the ok button is greyed out only the cancel is available when i click it a error box appears saying cant update.

im on windows 11.