ronneed
Level 1
(4 points)
Quicktime
Q: Quick Time not worki
Quick Time Video not Working
MacBook Air
by macjack,Apple recommended
macjack
Level 9
(55,663 points)
Mac OS X
Start up in Safe Mode and see if the problem still occurs:
Mac OS X: How to troubleshoot a software issue - Apple Support
Restart holding the "shift" key.
(Expect it to take longer to start this way because it runs a directory check first. Also give it a little time after start because it runs some maintenance routines in the beginning.)
