Hi there,
in order to rescan just use “Quick rescan disk”.
Please look/search for this file:
ADD_SMT_121_AM_Signature_Drums_Vol_1.vstsound
To ensure that you have access to this file, please repair your diskpermission with the disk utility.
And after:
Open the Mediabay in Cubase and rescan this area on your HDD as well.
Best regards,
Marcus