Unable to Start Firewall

According to the Avast UI my firewall is not running. When I click to start it I get the message Unable to Start Firewall. Using Windows 10 and Avast internet Security. All Avast software and virus databases are up to date.

Repair Avast:

  1. Control Panel → Add/Remove programs → Avast
  2. Click on ‘Repair’.
  3. Follow instructions.
  4. Reboot.

That did the trick. Thanks. Could you possibly tell me how I can run a boot scan. I can no longer find that option.

Click on “Scan for viruses”, you’ll find a dropdown list there.