If iMovie no longer unexpectedly quits, check to see if an updated component is available, or contact the developer of the component for further recommendations. Open iMovie and see if the issue is resolved.You can disable the components by moving them to the Desktop or another folder outside of the /Library/QuickTime/ folder. Temporarily disable any components that are not in the list below.Navigate to /Library/QuickTime/ for a list of components currently installed.After you install the updates, run Software Update again to verify there are no more updates for that application available.Ģ) Disable non-essential QuickTime components.

If any of these updates are available, install the updates. The updates necessary to resolve the issue are those relating to QuickTime, iLife, iMovie and Mac OS X.

IMovie: How to troubleshoot 'Application Unexpectedly Quit' messagesġ) Verify your software is up to date by running Software Update. I would recommend these staps in particluar to try from the following article:

It sounds like your iMovie window is not appearing when you open the program and force quitting it then reopening it does the same thing.

Force close on mac imovie wont work