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Received a message that my Garageband is damaged and I need to download it from app store. Never had an app be damaged. Is it common? OSX 10.9.5 Garageband 10.0.2

Received a message that my Garageband is damaged and I need to download it from app store. Never had an app be damaged. Is it common? OSX 10.9.5 Garageband 10.0.2

MacBook Air (13-inch Mid 2013), OS X Mavericks (10.9.5)

Posted on Apr 27, 2016 1:28 PM

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Posted on Apr 27, 2016 1:46 PM

Received a message that my Garageband is damaged and I need to download it from app store. Never had an app be damaged. Is it common? OSX 10.9.5 Garageband 10.0.2

Is the exact error message "“GarageBand.app is damaged and can’t be opened. Delete Name.app and download it again from the App Store.”" ?



The error message is caused by an expired certificate. See: http://osxdaily.com/2015/11/12/fix-app-is-damaged-cant-be-opened-error-messages- in-mac-os-x/


  1. Reboot the Mac, this alone may be sufficient to fix the problematic apps and remove the error message
  2. If a reboot does not fix the app, delete the application (just drag it to the Trash and do not empty), then re-launch the Mac App Store and download the app again via the Purchases tab or by searching for the app manually
  3. Open the once impacted apps again, they should now work fine
1 reply
Question marked as Best reply

Apr 27, 2016 1:46 PM in response to WRHL

Received a message that my Garageband is damaged and I need to download it from app store. Never had an app be damaged. Is it common? OSX 10.9.5 Garageband 10.0.2

Is the exact error message "“GarageBand.app is damaged and can’t be opened. Delete Name.app and download it again from the App Store.”" ?



The error message is caused by an expired certificate. See: http://osxdaily.com/2015/11/12/fix-app-is-damaged-cant-be-opened-error-messages- in-mac-os-x/


  1. Reboot the Mac, this alone may be sufficient to fix the problematic apps and remove the error message
  2. If a reboot does not fix the app, delete the application (just drag it to the Trash and do not empty), then re-launch the Mac App Store and download the app again via the Purchases tab or by searching for the app manually
  3. Open the once impacted apps again, they should now work fine

Received a message that my Garageband is damaged and I need to download it from app store. Never had an app be damaged. Is it common? OSX 10.9.5 Garageband 10.0.2

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