bad firewall on last upgrade 22dic13

HI All just done the last upgrade this morning 22dic13 and the firewall is DISABLED and nothing helps bringing it back to work.
Any suggestion pls.
Lipeava

Repair avast!:

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

HI Asyn thank you for the suggestion … have repaired it and all is OK.
Merry Xmas.
Lipeava

You’re welcome. Merry Xmas.