Apple's Compressor Troubleshooting Tips

Here's how Apple suggests you approach solving Compressor problems:

  1. Restart your computer

  2. Review Compressor 4 documentation

  3. Verify that your computer meets the system requirements for Compressor 4

  4. Ensure Compressor 4 is up to date

  5. Verify that the ProApps QuickTime Codecs are installed

  6. Make sure you're following the tips for importing source media into Compressor 4

  7. Check third-party compatibility

  8. Isolate the issue by using another user account

  9. Remove the Apple Qmaster folder

10. Reset Compressor 4 preferences

11. Remove and reinstall Compressor 4

From a new document from Apple on where to start when you have a Compressor problem. For more detail go to:

support.apple.com/kb/TS3894

@Alex4D