OSX 10.13.6 code signature invalid / EXC_CORPSE_NOTIFY

So, the steps

  • Utilities –> Terminal, and run those commands

  • Reboot
  • Wait 5-10 minutes for the new version to be installed.

To confirm, after reboot, run this:

 

 

source: https://discussions.apple.com/thread/252037712?answerId=254082855022#254082855022