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iMovie crashes on load in Big Sur 11.4

When I run iMovie, it gets as far as the welcome screen and then immediately crashes.


I tried Command-Option load, same result.


I deleted it entirely, re-downloaded it from the App Store, and it still won't load.


Crash report follows. Any suggestions? Thanks.



iMac, OS X 10.11

Posted on Jun 14, 2021 5:33 PM

Reply
Question marked as Top-ranking reply

Posted on Jun 14, 2021 5:57 PM

Hi, dragonscastle,


Here are a few diagnostic procedures to try.


Safe Mode


Try booting up in Safe Mode (see Finder menu for instructions) and, after everything loads, immediately shut down and reboot in normal mode. The iMovie app itself will not open in Safe Mode, so don't try that. After shutting down and rebooting in normal mode, see if iMovie works properly.


Opening iMovie in a new user account


Create a new user account from System Preferences/Users and Groups and try to open and use iMovie in the new account.

Alternatively, you can use the Guest account on your Mac for this purpose.


Deleting Preferences


Open iMovie while holding down the Option and Command keys and select to delete preferences in the box that appears.

iMovie will open in a new library. Reopen your old library to get back to your projects.  Deleting preferences is a safe procedure that will not cause data loss or disruption to your project.


Opening iMovie in a new library


Try opening iMovie in a new library.  To do that, open iMovie while holding down the Option key and then selecting to create a new library in the box that appears.


Resetting

the System Management Controller


Try resetting the System Management Controller (but no longer available for the new M1 computers):


https://support.apple.com/en-us/HT201295


Resetting the NVRAM or PRAM


Try resetting the NVRAM or PRAM:


https://support.apple.com/en-us/HT204063


Contact Apple Support


If none of the above resolve your issue, contact Apple Support.  The techs there have the capability of remotely accessing your computer that we cannot do here.  To contact apple support click on the Contact Support item in the upper right hand corner of this forum’s screen.  Navigate to a place where you can enter your phone number.


-- Rich





1 reply
Question marked as Top-ranking reply

Jun 14, 2021 5:57 PM in response to dragonscastle

Hi, dragonscastle,


Here are a few diagnostic procedures to try.


Safe Mode


Try booting up in Safe Mode (see Finder menu for instructions) and, after everything loads, immediately shut down and reboot in normal mode. The iMovie app itself will not open in Safe Mode, so don't try that. After shutting down and rebooting in normal mode, see if iMovie works properly.


Opening iMovie in a new user account


Create a new user account from System Preferences/Users and Groups and try to open and use iMovie in the new account.

Alternatively, you can use the Guest account on your Mac for this purpose.


Deleting Preferences


Open iMovie while holding down the Option and Command keys and select to delete preferences in the box that appears.

iMovie will open in a new library. Reopen your old library to get back to your projects.  Deleting preferences is a safe procedure that will not cause data loss or disruption to your project.


Opening iMovie in a new library


Try opening iMovie in a new library.  To do that, open iMovie while holding down the Option key and then selecting to create a new library in the box that appears.


Resetting

the System Management Controller


Try resetting the System Management Controller (but no longer available for the new M1 computers):


https://support.apple.com/en-us/HT201295


Resetting the NVRAM or PRAM


Try resetting the NVRAM or PRAM:


https://support.apple.com/en-us/HT204063


Contact Apple Support


If none of the above resolve your issue, contact Apple Support.  The techs there have the capability of remotely accessing your computer that we cannot do here.  To contact apple support click on the Contact Support item in the upper right hand corner of this forum’s screen.  Navigate to a place where you can enter your phone number.


-- Rich





iMovie crashes on load in Big Sur 11.4

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