Safari crashes immediately on mac

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. 😁

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.

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 ??

You are really my saver. I have had this issue for a week. Doing what you posted save my sanity, too; just like "imagoodshot" said; I was concerned that I might have to spend money to fix this Safari problem.

Much Appreciate your GREAT help.

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........

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"....

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....

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

It worked for me too, thank you very much. I had been running Firefox for two weeks after trying everything I could.

Did not work for me, Safari still stalls and has to be forcibly closed

Thank you David, this is the only solution that worked for me. Nothing else was able to stop Safari from crashing within a minute of opening it!