Messages Quits on Opening - MacOS 12

Messages simply won't start since I updated to Monterey.

I have tried the fixes in the previous thread - deleting apple.ichat.com etc and reset the NVRAM - to no avail.

Here is the first part of the error message:


Process: Messages [1041]

Path: /System/Applications/Messages.app/Contents/MacOS/Messages

Identifier: com.apple.MobileSMS

Version: 14.0 (6000)

Build Info: Messages_iosmac-1174020241001061~2

Code Type: X86-64 (Native)

Parent Process: launchd [1]

User ID: 501


Date/Time: 2021-11-01 17:55:48.3507 +1300

OS Version: macOS 12.0.1 (21A559)

Report Version: 12

Anonymous UUID: 82FDC1C7-ABB1-41E6-3E11-D0BCE35ED72C



Time Awake Since Boot: 100 seconds


System Integrity Protection: enabled


Crashed Thread: 0 Dispatch queue: com.apple.main-thread


Exception Type: EXC_CRASH (SIGKILL)

Exception Codes: 0x0000000000000000, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY


Termination Reason: Namespace SANDBOX, Code 1

iMac 27″, macOS 11.6

Posted on Oct 31, 2021 10:05 PM

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5 replies

Nov 1, 2021 4:12 PM in response to Philip Norton

Hello Philip Norton.


Thank you for using Apple Support Communities and for sharing these details with us. It sounds like you're unable to use the Messages app properly. Specifically, the app unexpectedly quits on you. We can understand how this would be an issue. Allow us to investigate this issue and assist in any way we can.


Let's try testing this issue in safe mode. If you're not familiar on how to start up in safe mode, check out the resource below:


How to use safe mode on your Mac - Apple Support


Depending on your results, you'll want to follow the steps listed under "If the issue continues in safe mode" or "If the issue doesn't continue in safe mode".


Feel free to keep us posted on your results. Cheers.

Nov 2, 2021 9:03 AM in response to Philip Norton

Hey there!


Thanks for updating us and for performing the recommended troubleshooting steps we had suggested. Since your issue continues to occur, you might want to consider reaching out to Apple Support for help. They might have to investigate this issue further with you. Just in case, you can use the link below to reach them:


Get Support - Apple


Thank you for using Apple Support Communities.

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Messages Quits on Opening - MacOS 12

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