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Apple Music Quits Unexpectedly

Hi All,


Since today, any time I try to open Apple Music, I get the quits unexpectedly window. I have

1.) Reported to Apple

2.) Tried opening with new library

3.) Renamed old library

4.) Tried opening with a test user (this works)


I feel it isn't a library issue but and issue with something in my User?


I've had it work no probs since Big Sur's latest update (11.0.1 at time of writing), so don't think it is obviously that.


See below for error code (please tell me if the below contain confidential info)



MacBook Pro 15″, macOS 11.0

Posted on Nov 16, 2020 2:14 AM

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Question marked as Best answer

Right, I've located the issue. It only occurs on my user when I am plugged in to an external monitor. I have;

  1. tested multiple monitors
  2. tested with minidp/hdmi outputs
  3. deleted display preferences (lib/com.apple.windowserver.plist and ~/lib/com.windowserver.xxxxxxxxxxxxxxxxxx.plist)


Nothing has fixed it, besides pulling out the external monitor plug.


This is clearly a Big Sur bug. I've reported to Apple and I hope it is fixed soon.

Posted on Nov 17, 2020 2:04 AM

21 replies

Jan 5, 2021 8:12 AM in response to Drakhra

I seem to no longer have this problem, a few things changed...


I updated the drivers for my external disks (thunderbolt 4 disk enclosure), where my libraries are located. I also ran the disk utility and repaired the drives (no errors were reported), made the disks read only then read-write, on a whim to see if this had any effect. it shouldn't have, but I've seen stranger things happen.


so far, I have not had music quit on me for about a week. I use a second display all the time - I need to.

Feb 4, 2021 12:18 AM in response to paulie88

Hey Paulie,

It happens with all connections. Apple were slightly useful but they won't now respond to any of my calls or e-mails?! Not sure why - they sent a message saying that they had an update for me then...radio silence.


I have found a workaround now, which is pretty conclusive evidence that it's a Big Sur software issue:

  • If you use mirror mode, we know the Music app works. It stays open even if you swap back to extended.
  • Download the menu bar widget (Display Menu - https://apps.apple.com/gb/app/display-menu/id549083868?mt=12)
  • Originally, I used this to quick-switch between mirror and extended, however, if you simply change the set resolution of the monitors (I went higher) - it just works period.


Anyway - please keep updating as you find out stuff. I'll keep trying to get back in touch w/ Apple.

Feb 8, 2021 11:31 PM in response to Drakhra

I have found a better workaround. Apple did not keep the callback appointment they made with me, but I did make some headway.    I went into the System Preferences/Display. On the panel for my external monitor I went to the the “Color” tab. In the Display Profile area, there were three profiles that were named exactly the same.   I deleted all three of them and after rebooting, I successfully started music.  Everything was fine until I moved the Music window onto the external monitor, where it "Quits Unexpectedly". So far I can use music as long as I keep it on the primary display. Oddly, I went back into the Color profile and there were three copies again. At this point, it is only a minor inconvenience. This should give Apple a decent starting point for troubleshooting. We'll see.

Feb 9, 2021 1:17 AM in response to paulie88

Hi Paulie,

Nice work around - it failed for me.

I'm sticking to using a 2048 x 1280 custom resolution as above (on the inbuilt monitor)

I have now tried to get in touch with Apple four times re: this outstanding issue (even the case number is still open!) and there has been absolute radio silence.


No fix on the new Big Sur update, either.


Not sure how to proceed.

Apple Music Quits Unexpectedly

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