Safari is not accessible

Go step by step and test

   1. Restart the Router.

       Startup in Safe Mode.    https://support.apple.com/en-us/HT201262

       Launch Safari and test.

       Restart normally by clicking the “Restart” button at the bottom.

   2. Launch Safari holding the shift key down and test.

   3. Check for adware. 

      Run  the latest release of Malwarebytes for Mac to remove malware/adware, if installed on your Mac.

      For instructions:  Install Malwarebytes for Mac          Uninstall Malwarebytes for Mac

      Click the “Scan Now” button. Once done, quit Malwarebytes for Mac.

      Restart the computer and relaunch Safari holding the shift key down.

  4. If the steps posted above don’t help:

      Download EtreCheck: https://etrecheck.com/maspro  and post the report here.

      Click, “Free Download” button and then  “Click to download” button.

      Open Downloads folder, click on it to open, and then select ”Open”.

      Click on the bouncing  EtreCheck icon in the Dock.

      “Choose a problem” from the popup menu box, and then “Start EtreCheck” in the dialog.

      Click “Share Report” button in the toolbar, select “Copy report” .

      Paste the report when you reply.

Did you try the above suggestions?

You might want to consider starting a new discussion. Since this one is marked solved, less people are likely to look at it. A new post would be much more visible. You can link to this one.

Also test in another admin user account.

Isolating an issue by using another user account 

can't access safari

Can't access safari

Can't access safari