Mac Os Mojave freezes

Since updating to OS Mojave's my Apple mac keeps on freezing 😠. Is there any way to stop this?

MacBook Pro (Retina, 13-inch, Mid 2014), Mojave

Posted on Oct 2, 2018 2:26 PM

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Posted on Oct 25, 2018 12:59 PM

Alas. So much for the easy solution.


This list (https://www.macworld.co.uk/feature/mac-software/apps-work-macos-mojave-3678735/) might point you to some trouble spots among the big software contenders, but it's worth noting I have a pretty good spread of many of the apps listed there (CS5, Word 2011, etc), and none of them crash or burn, nor do they contribute to any slowdowns on my Air. The trouble I was having on my Mini appears to have been due entirely to a failing HD.


That is the next thing to check, by the way. Run Disk Utility on your drives and see if any of them report problems in the SMART status (bottom left of the table of info here):


User uploaded file

If it says anything other than "Verified", you'll need to replace the drive soon.


In addition to that, run over your Mac with a fine-tooth comb. If there's any third-party stuff loading in your system menu, or anything loading under "Login Items" with your user account, make sure it's up to date. Also, older software that was not cleanly uninstalled might have left something behind that's interfering with your system now — though tracking that down might be extraordinarily difficult.


Some third-party apps require you to disable SIP (system integrity protection) to install and run. If you don't remember ever booting to recovery and entering this command in the Terminal:


csrutil disable


…then you probably don't have any such software on your machine. Nevertheless, try loading Terminal (you don't have to reboot to do this) and enter this command:


csrutil status


If you see anything other than "System Integrity Protection status: enabled.", you'll need to boot to recovery, select Terminal from the Utilities menu, and enter this command:


csrutil enable


…Followed by a reboot. You can only enable or disable SIP from recovery. You can't do it from safe boot or even via sudo.


Among other things, SIP keeps permissions on files and folders what they ought to be. If those permissions get munged, some programs (and possibly macOS itself) might have trouble functioning.


Do you have a third-party peripheral, such as a keyboard, mouse, printer, scanner, or some other hardware element? Confirm its drivers are up to date.


If you have Flash, make sure it's the most recent version. (Check it via the Flash Player item in System Preferences; if it's not there, you probably don't have Flash.) I got a system dialog today telling me the Flash updater daemon was 32-bit, not 64-bit, and so I needed to run an update (the default is for it to auto-update, but I turned that off years ago). Apps that have daemon programs like that, running in the background periodically, are likely suspects in quietly causing trouble in a largely-untraceable way.


Also, take a look at Font Book and see if there are any fonts listed that appear to be damaged or poorly coded. Problematic ones should show the yellow caution triangle next to them in the fonts list. Consider turning those off, or removing them, if there are any.


I've seen problems like software-extension incompatibility before, and it always results in unpredictable system performance somewhere. The trick always is finding out which program is the source of the problem. You've probably seen EtreCheck referenced in other posts in this forum. It might be worth running a report on your machine, seeing if there's anything noted in it, and removing the problematic software, if any.

385 replies

Jan 1, 2019 4:05 AM in response to a.soon

I'm not sure if this is the source of the problem but ... I was getting the same problem at least daily since I upgraded to Mojave, whether I was using my MacBook or not! After the last reboot I killed Google drive and it's been 2 days since my last crash, so I can't say for certain if this is the source of the problem, but did I noticed that in the report provided by a.soon that Google drive is also running. It would be interesting to know if this is a common application.


It makes sense that this is the problem as it is a process running in the background, which would explain why it appears to be random.

Jul 14, 2019 3:46 AM in response to Colddiamond

My Freezes occurred June 2019+ because of outdated NVidia/CUDA drivers from when I used an external GPU prior to updating to Mojave (10.14.5).


The only app that really gave a clue was MS Word - a symptom being a scrambled window bar and Word seemingly froze the entire system.


Solution was to update Word and remove the NVidia drivers (which are no longer in use).





Nov 1, 2018 6:52 AM in response to Colddiamond

Ok, so I had a freeze again yesterday... It was all good for literally weeks.


It HAS to be connected to network shares being mounted. I almost never use network shares, 2 days ago I did and had it mounted overnight as I was downloading a bunch of stuff and the network share was mounted. The machine went to sleep a couple of times, the share was still mounted. Nothing open from there, just mounted... and yesterday evening, it happened again.

I tried to unmount the network share but couldn't.

Also tried to go in Terminal and do a "sudo umount /Volumes/" (and here I pressed Tab to see the names, but terminal freezed at that point).
Same thing if I typed in the exact path to the shares.

Chrome ceased to load any webpage, they were all just spinning and spinning forever...

I could however ask a restart from the menu and force quitting apps and the finder... it eventually restarted, I didn't have to force power shutdown.


The share was an SMB share, as I am no longer able to mount AFP shares since Sierra... That is another messed up part of the OS... you can try to mount one, but as soon as you mount an AFP share, this exact same lockup occurs. Maybe another hint?


So this is weird... maybe APPLE COULD FINALLY START TO INVESTIGATE THIS AS IT IS CAUSING SO MUCH DISCOMFORT AND PAIN!!!


Sorry for the rant.

Nov 5, 2018 11:56 AM in response to ifay

This was supposed to be a reply to a prior post that stated a possible memory leak in spotlight. I added my Mac HD by dragging and dropping it into System Preferences -> Spotlight -> Privacy. Of course you now have the problem that Spotlight is useless as you cannot find anything on your hard drive. This is a real irritant. I really need to stop upgrading early on. Nothing but problems and headaches!

Nov 21, 2018 11:09 AM in response to Colddiamond

sooooooo after dragging my HD out of use in spotlight right when ex-cop suggested it last month---i was all good and yesterday decided to try a mini test i dragged the HD back out and only checked files documents and contacts on the options and today had the first 2 hour long freeze since i first did ex-cop's fix so i dragged the HD back into dont search and keeping my fingers crossed i'll be freeze free but i am pretty bummed not to be able to search my stuff and with all of you feeling this is taking wayyyyy too long to get a real fix

Dec 26, 2018 1:19 PM in response to Julian Peterson

i am not the discussion starter, but can give the several steps i have done so far and give some info about history:


this issue started before mojave, either from sierra or high sierra.


random lockup occurs irrespective of whats running, ie it can happen with some apps running or no apps running


unresponsive to the point where a force restart once or more a day is necessary.


have tried the following:


soft reinstall of mojave from recovery partition


full ssd wipe and reinstall by apple store

(a corrupted user account is not in question because issue continued after clean reinstall of OS, if apple store had done it right).


full hardware diagnostic by apple store


can occur with NO 3rd party apps installed in macos


limited success with disabiling spotlight, most recently experienced the issue again after populating all my drives in spotlight privacy section.


have noted that i installed the latest public beta as of yesterday (from the official release path —> beta path for first time), but too soon to notice if issue was eliminated.


noticed that before going beta, i had a bunch of apfs warnings in first aid, but exit code comes back 0 and du does not ultimately fix any warnings or errors on the apfs volumes i check in first aid.


no issues with an existing hfs+ partion, no issues with an existing ntfs partition.


gpt looks ok, no issues booting to either OS either with startup selection in prefs or with option key during boot.


add to all this clearing the nvram and smc controller.


i think i tried pretty much everything including digging thru console to find the exact time entries where i force restarted and cannot gain insight into whether the issue is process related, kernel panic, memory leak, etc ....


considering this discussion was open in october i think this should have been resolved by now.



Jan 10, 2019 1:29 PM in response to zero7404

Even though it is far from what I would have wanted, I have spent the las 2 days working very hard to prepare my mac for downgrading to High Sierra. Hours of investigation looking for all data locations so that I can retrieve it from the external HD after I wipe my Mac and start from scratch (the auto backup I have is from the Mojave days, so no quick restore options). Had to create a hacked install bootable High Sierra disk, cause Apple made it near impossible to do the easy way. Had to read countless pages and track down the obscure folders and files I had to back up in order to restore my multiple mail accounts, their contents, my previous joined networks and their passwords (haven't found that one yet), my bookmarks for 3 browsers, the folders I keep in my finder windows' sidebar, converting stickies to notes so that they sync via iCloud, applications on my dock and their order, widgets, make a list of serial numbers for all purchased apps for reinstalling, iTunes playlists, take screenshots of System Preferences, etc. All because of plunging into Mojave without knowing that a critical, unaddressed bug would render my Mac unusable. And all of this, while having my Mac go to the black screen of panic and restart itself every so often. Not nice, and certainly discouraging for the next time I have to upgrade again. So this is goodbye, my Mac's brain will be erased after this post. If I shall appear here once again, you'll know I successfully managed to make it back to High Sierra.

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Mac Os Mojave freezes

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