Try this:
in c:\Users\yourpc\AppData\Roaming\Steinberg\Cubase 10.5_64
1 - for security make a backup of the mediabay3.db file
2 - delete mediabay3.db
restart Cubase
Delta
Try this:
in c:\Users\yourpc\AppData\Roaming\Steinberg\Cubase 10.5_64
1 - for security make a backup of the mediabay3.db file
2 - delete mediabay3.db
restart Cubase
Delta