Hello,
Welcome to the forum.
Please confirm you have followed the process described here.
https://www.djuced.com/kb/how-to-migrate-your-djuced-library-playlists-and-preferences-from-one-computer-to-another/
The step 4, on relink the database, is important to avoid ghost files.
NB: there is a profile section, on
https://www.herculesdjmixroom.com/en-us/account/informations/
It takes < 5 minutes to fill the tech info
- check the name of the controller in "Hercules Equipment in use",
-check the name of the software in "Software in use"
- write the software info, operating system, computer profile in "Describe your equipment"
You'll probably find this useful: https://www.djuced.com/kb/how-to-clean-my-library-remove-missing-files-duplicates-or-duplicates/