A. Why do You Finalise Your project
• to me it doesn't do any good only
- takes up lot's of space
- get's hard to get back if more editing is of need
- no quality enhanzement at all only time and space consumption
TO ME !
B. Error -49
Error -49 opWrErr File already open with write permission
Trash the preference files while application is NOT Running.
of following I don't know anything - but he usually 100% onto something.
from Karsten Schlüter
Some users notice on exporting larger projects from within iMovie that this operation is aborted with an 'error -49'
This issue occours only on MacOs machines using 10.7x
try switching-off the Local Mobile Backup
in Terminal copy/paste
sudo tmutil disablelocal
Yours Bengt W