If an app on your Mac stops responding, quits unexpectedly or won’t open
If an app on your Mac doesn't work as expected, try these solutions.
Quit and reopen the app
If the app is open, try to quit the app, then open it again. If it won't quit, force the app to quit.
Restart your Mac
Install software updates
If you got the app from the App Store, open the App Store and check the Updates section for updates. If you got the app from another source, get updates from the app developer's website.
Delete and reinstall the app
Delete the app. When you do this, you might lose data that was stored in the app.
Then redownload the app. If you didn't get the app from the App Store, download it again it from the app developer's website.
Get more help
If you got the app from the App Store:
If you’ve bought the app recently and you no longer want it, you can request a refund.