Safari crashes immediately on mac

How do I fix safari from crashing immediately on my Mac

iMac 27″, macOS 11.6

Posted on Sep 29, 2021 5:58 AM

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Posted on Oct 20, 2021 10:51 PM

The solution that worked for me was to go to this location using Finder:

Go menu

Go to Folder: copy and paste:

~/Library/Containers/com.apple.Safari/Data/Library/Saved Application State


Then delete the file called windows.plist .


Safari then opened for me and worked normally. The joys of computers. 😁

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Oct 20, 2021 10:51 PM in response to zeboo

The solution that worked for me was to go to this location using Finder:

Go menu

Go to Folder: copy and paste:

~/Library/Containers/com.apple.Safari/Data/Library/Saved Application State


Then delete the file called windows.plist .


Safari then opened for me and worked normally. The joys of computers. 😁

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Sep 29, 2021 7:27 AM in response to imagoodshot

imagoodshot wrote:

How do I fix safari from crashing immediately on my Mac


Safari 15 crashes in Big Sur— a known issue


Quit Safari.app Command Q



From the Finder>Go?Go to Folder, copy and paste:

~/Library/Containers/Safari/Data/Library/Safari/



delete the following or move to the desktop to delete later


safaritabs.db

safaritabs.db-shm

safaritabs.db-wal


Re-launch Safari and test.

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Sep 29, 2021 7:23 AM in response to imagoodshot

Is this occurring on the newest Safari 15.0 ??


Does the same issue occur if booting into Safe Mode - Shift - immediately at restart. It will do a repair disc, clear cache files and only load Apple Software, extension and fonts so loads slowly - normal.


Then - test the Safari issue Crashing or not ??

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Nov 14, 2021 1:12 PM in response to zeboo

Same here and I can not get it to load it just continuously finder wheel spins and it just hangs up doing nothing, thus whyI wonder if it can be reinstalled! I am not running Sur as my computer will not update to it - guess time to get a new one , it has been a good long run of 8+ years........

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Nov 22, 2021 6:47 PM in response to leroydouglas

OK, I applied the Solution, and when I reopened Safari, I saw a couple dozen empty windows!

So I then shut it down, and reloaded the safaritabs.db file, since it had about 240 mbs, which I figured were all the pages/tabs I had previously open. and of the other two files, one was empty, and the other only had 33kbs, which is what the new one also has, so I assumed it contained nothing relevant.

Well, when I reopened Safari, I now had two dozen, empty "Start pages", and when I looked in the folder I had put back in the large file, it was now EMPTY!

The very first time I opened Safari, when updating to Big Sur, I also lost about 40 or 50 previously opened tabs and windows, which was a royal pain, that I was never able to reconfigure, and now, I've just lost about the same number of ones I had open before applying this "fix". Any ideas?


Plus, Safari is still slowing, getting spinning balls, typing slow, dock is jittery when I put my mouse over it, and Windowserver is up to nearly 5 GBs of RAM & 85% of CPU, and that's with only three open windows, aside from the 20 blank ones! Just now I've lost all my previously opened ones, in other words it's now acting worse than before I used the "solution"....

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Dec 26, 2021 10:00 AM in response to Saxman

Now, thanks to the Safari 15.2 "update" Safari now crashes upon opening! Won't even open, tried opening while holding the Shift key, as suggested on another thread, but all that did was empty any remaining open windows or tabs I still had, and still crashes upon opening. This is a big mess....

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Dec 26, 2021 10:07 AM in response to leroydouglas

After following your instructions, Safari opened, for maybe one minute, then immediately crashed, yet again:


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


Exception Type: EXC_BAD_INSTRUCTION (SIGILL)

Exception Codes: 0x0000000000000001, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY


Termination Signal: Illegal instruction: 4

Termination Reason: Namespace SIGNAL, Code 0x4

Terminating Process: exc handler [95772]


Crashing on exception: The window has been marked as needing another Update Constraints in Window pass, but it has already had more Update Constraints in Window passes than there are views in the window.

<NSWindow: 0x7ff77ce437c0> 0x129d (4765) {{100, 100}, {100, 128}} en


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Safari crashes immediately on mac

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