I have the newest Versions of Komplete * running on Windows 10.
After purchasing Ultimate 14 my disks ran out of space and so I moved 183 libraries to a new external HD (~800 GB). I needed several hours to do it.
After finishing the job some previews where not working. Komplete Kontrol tried to access the snapshots under the old path. I have reinstalled "Preview", "Komplete Kontrol" and "Kontakt" without any success.
After googeling for hours I found at least a hint to solve this issue (can't post the link here).
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NKS compatible libraries once installed show up in the Komplete Kontrol Browser.
Occasionally, in rare cases these are not located correctly, one potential cause of this is if the samples have been moved after the initial install.
First, open Native Access and ensure there are no updates for Komplete Kontrol. Install the latest update if available. Once update, remove the "favorites.db3" file.
1. Removing the Komplete.db3 file
The "Komplete.db3" file will be located in the below locations. This will need to be done before deleting the favorites.db3 file.
Mac OS:
Macintosh HD > Users > Username > Library > Application Support > Native Instruments > Komplete Kontrol
Note: The User Library is a hidden folder on macOS. To access it, click Go in the Finder menu bar and press down the Alt key. The Library entry will now appear in the menu.
Windows:
C:/Users/[username]/AppData/Local/Native Instruments/Komplete Kontrol
2. Removing the favorites.db3 file
The "favorites.db3" file is located in the below locations. Upon reloading Komplete Kontrol the database will automatically update.
Mac OS:
Mac HD > Users > Username > Library > Application Support > Native Instruments > Shared > 'favorites.db3'
Note: The User Library is a hidden folder on macOS. To access it, click Go in the Finder menu bar and press down the Alt key. The Library entry will now appear in the menu.
Windows:
C:/Users/[username]/AppData/Local/Native Instruments/Shared/favorites.db3
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After deleting the db3 files I opened Komplete Kontrol and it rebuilt all instruments automatically. That took a long time in my case (did it over night).
Hint: do not forget to set the new destination path in the settings of NA.
Hint2: I do not know if the favorites are gone after this procedure (I don't work with it).