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Safari says it cannot open because it doesn

I cannot open Safari on my mac.

iMac 27″, macOS 11.6

Posted on Mar 16, 2022 7:40 AM

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Question marked as Top-ranking reply

Posted on Mar 16, 2022 7:45 AM



1 - Suggest restarting in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal.


2 - Does the issue present in this mode ?


3 - If not - there could be something in the main User Account playing up. To further isolate this - Set up users, guests, and groups on Mac. Then log out of the Main User account and log into the dummy account and test again if the issue persists.


4 - If the issue is present in the dummy account - then this appears to be a System Wide issue.

5 replies
Question marked as Top-ranking reply

Mar 16, 2022 7:45 AM in response to justacloser



1 - Suggest restarting in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal.


2 - Does the issue present in this mode ?


3 - If not - there could be something in the main User Account playing up. To further isolate this - Set up users, guests, and groups on Mac. Then log out of the Main User account and log into the dummy account and test again if the issue persists.


4 - If the issue is present in the dummy account - then this appears to be a System Wide issue.

Mar 26, 2022 3:12 PM in response to nb6546

Are you running any VPN, Anti-Virus, or Cleaning apps?


Go on the Apple certificate page:

Apple PKI - Apple


Download the Apple Intermediate Certificates

Apple IST CA 2 - G1 Certificate (direct download)


Double click the downloaded certificate to install it in Keychain Access.

You should see it now, in login certificates.

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See if you have unknown Profiles.

To remove a configuration profile in macOS:

  1. From the Apple menu, select System Preferences....
  2. From the View menu in System Preferences, select Profiles.Note:
  3. Profiles won't be visible until you have at least one profile installed.
  4. Select the profile you want to remove, and then press the - (minus) button. Click Remove to remove the profile.
  5. softwater


User level: Level 5 (5,557 points)


Feb 16, 2020 3:04 AM in response to sukwaria

If your browser prefs are locked down, you'll probably find the reason in System Preferences > Profiles. 


Remove all profiles you don't recognize, then run something like DetectX to clear out the persistence agents. 


https://sqwarq.com/detectx/


Disclaimer: DetectX is a utility I develop; you do not need to pay for it to use it to use it. It does not collect your data or require any form of subscription/login.


Mar 26, 2022 2:03 PM in response to nb6546

Start with this...


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes or more.


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

Safari says it cannot open because it doesn

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