Yes I have this problem as well with about any thing saved.
(Track presets, Export as midi loop, etc ) Yes trash prefs fixes it , for awhile then
problem comes back. trash prefs fixes, and again for awhile .
its very frustrating 
Yes I have this problem as well with about any thing saved.
(Track presets, Export as midi loop, etc ) Yes trash prefs fixes it , for awhile then
problem comes back. trash prefs fixes, and again for awhile .
its very frustrating