Jonas Hummelstrand’s great blog, General Specialist, had these excellent tips for fixing problems with After Effects.
Here is an excerpt:
Having problems with After Effects? Here’s a collection of tried and true remedies:
1. Check that your system harddrive and the harddrive where you store your After Effects project and footage aren’t full, and then run a disk check to make sure they aren’t damaged.
2. Uninstall QuickTime, restart your computer.
3. Uninstall any third-party video and audio codecs for QuickTime and Windows Media, such as XviD, DivX, FFDShow, BlackMagic, Aja, Avid, Flip4Mac, etcetera.
4. Reinstall the latest version of QuickTime.
Lots more great tips await you.
