Avast Firewall cannot turn on

Avast Free Antivirus / Premium Security
1

I keep getting this icon on the bottom of my tray that says Avast Firewall is not on. When I go to turn it on it can’t. What is going on here?

Reluctant to renew my subscription if this is not fixed.

2

Repair avast!:

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