iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Here’s the solution iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it! When you’re working on a project and iMovie doesn’t respond on your Mac, it can be frustrating. This native video editor is fantastic. It can crash and glitch occasionally. Don’t panic if iMovie crashes or refuses to open on your Mac. This guide will help you fix the problems.

Force close iMovie and relaunch it on Mac

Try forcing the app to close and reopen it if iMovie does not work or respond on your Mac. This will fix minor bugs that could be causing the app malfunction.

  1. Click on the menu bar and select Force quit.
    You may also use the keyboard shortcut Command + Option + Esc.
  2. Click on iMovie in the list of applications .

Ensure that the iMovie Project is not corrupted

The iMovie application may crash or fail to open if there is corruption in the project. Try creating a new iMovie project and importing media files from the damaged one to discover if the project is corrupted. If the original project runs and runs well, it could be corrupted.

Verify that the file format/codec you are using is supported

iMovie can only display and process media encoded in certain file formats. The app may be unable to read data if you use a codec or format that is not supported.

You can check the format of the file by Right-clicking on a media document, then going to Get Information. Check if the file is listed on Apple’s supported media formats for iMovie.

Make sure that your Mac has enough RAM

iMovie requires a lot of RAM to function properly. You may have frequent crashes and performance problems when using iMovie if your Mac does not have enough RAM.

Close all background apps that are not in use if you have an Apple Silicone Mac. iMovie will run smoothly and without crashing if it has the maximum amount of RAM.

  1. Spotlight and Launchpad are the best ways to open Activity Monitoring for Mac.
  2. Select the RAM tab.
  3. Close the apps by clicking the icon.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Make sure that your Mac has sufficient storage.

Apple recommends that iMovie be run on at least 10GB free of charge. If you are working on a complex project with high-resolution videos or multiple layers, you will need more space to store the project files, cache, and other files generated by iMovie.

  1. Click on the Apple Logo located in the menu bar.
  2. Click general in the sidebar.
  3. Make sure your Mac has enough space for iMovie.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

You can use our guide to help you free up storage on your Mac. If you’ve got enough storage on your Mac, make sure iMovie is working properly.

Update iMovie or macOS

Keep your software updated to ensure optimal performance, and to fix any bugs or incompatibilities. It is possible that outdated software will cause app crashes. This includes those relating to iMovie. Check for the latest macOS version and upgrade your Mac.

Follow these steps to install the latest version of iMovie:

  1. Launch the App Store by clicking the Dock or Launchpad.
  2. Choose the Updates option from the sidebar.
  3. Click the button to update iMovie.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Open iMovie on Mac in a new library

Try opening iMovie with a different library if iMovie crashes or does not open due to an issue with a library file. This will create a new library that is free of any issues associated with the old library. You can now work on your project without having to worry about those annoying application crashes.

  1. Double-click the iMovie by holding down the Options button.
  2. Click Create  Choose a location to create your new library.
  3. Force-quit iMovie Hold down the Options keys while double-clicking (iMovie).
  4. Choose the library you just created.
    You can also copy projects to your new library from the old one.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Change the export preferences in iMovie for Mac

If iMovie crashes when you try to export a project, this may be because the format of your export file is incompatible. Select a format or codec that is compatible or widely supported.

  • Open the iMovie Project you wish to export.
  • Click on the Share icon.
  • Change the Export Preferences for video.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

  • Select a Location to which you wish to save the video. Click Save.

Delete the iMovie rendering files

iMovie will create temporary files when you work on a project. These files can become corrupted, causing performance problems. These issues can be resolved quickly by deleting these render files.

  1. Launchpad or Spotlight are the best ways to open iMovie for Mac.
  2. -> select Settings.
  3. Select Render files and click Delete.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Reset the NVRAM on Mac

The NVRAM and SMC are two physical chips in the Mac. They store settings and control important functions. These components can be reset to resolve some issues, such as iMovie crashes.

Refer to our guides on resetting NVRAM and SMC on Mac if you’re not sure how to proceed.

Remove cache.mov. and cache.plist

iMovie creates temporary files called caching.mov and caching.plist in order to store data, improve performance and enhance storage. iMovie can crash or stop working properly if these files have glitches. Deleting the files will make iMovie recreate them. This can fix many issues.

  1. Open the Finder in your Mac and click Go.
  2. Hold the Option key to reveal more options .
  3. Go to the Caches directory and select cache.mov and cache.plist.
  4. Hit Move Bin.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Reset all iMovie preferences

iMovie issues can often lead to crashes and malfunctions. This will reset the default settings and fix any incorrect configuration.

  1. Launchpad or Spotlight are the best ways to open iMovie for Mac.
  2. Hold down the option + command until you see an alert pop up.
  3. To reset all iMovie preferences, click Delete Preferences.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

Reinstall iMovie for Mac

If you have tried all other troubleshooting techniques and iMovie still crashes or won’t open, uninstalling the application may solve the problem. This will help eliminate any corrupted or bugged files that may be the cause of your problem.

  1. Open the Finder in your Mac and select Applications.
  2. Right-click iMovie select Move Bin.
  3. Install iMovie from the App Store, and then check to see if it fixes the problem.

iMovie keeps crashing or won’t open on Mac? 13 Ways to fix it!

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Wrapping it up…

You can identify and fix any underlying problems that cause iMovie not to work or crash on your Mac by following the solutions provided above. We would like to hear from you if this troubleshooting article helped. Please let us know in the comments below which solution worked for you.

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