Hi,
I’ve been battling with this error for a few weeks now. Trashing the prefs and the User Data files is a good temporary fix. However my user needed to point his Waveform Cache, Thumbnail Cache and Autosave vault to a location on the Xsan. This worked until he restarted FCP. We knew that if we left FCP to run with the default settings after trashing the prefs, it was OK.
I went through setting the Scratch disk, Waveform Cache, Thumbnail Cache and Autosave vault indevidually and restarting FCP and found that it was when we pointed the Thumbnail Cache to the user’s preferred location, the KGCore error happened. Looking at the files in the Thumbnail Cache folder i noticed that they hadn’t been modified for a couple of months! I deleted them, and restarted FCP, watched the files get remade, and BINGO! FCP booted!!!
I don’t know if this error is specific to the Thumbnail Cache, it could relate to any of these folders…
Hope this helps!!!
Cheers,
Jon