Hi Biab_2022 and welcome to the forums! In the Band-in-a-Box Plugin DAW plugin, please click | File | Preferences | Folder Locations |. What is currently selected as the path for RealTracks and path for RealDrums?

Attached Files (Click to download or enlarge) (Only available when you are logged in)
Screenshot 2022-07-30 150601.png (153.67 KB, 32 downloads)

Best,

Jerry