You can go back to Avast 8.0.1497 but I’d rather want the issue to be resolved…

Anyways…

  1. Download the right aswclear and the appropriate program

Avast 8.0.1497 : http://www.filehippo.com/download_avast_antivirus/download/0c203d8e8244458c5da81998eb76f523/

v8 and below : http://www.avast.com/uninstall-utility
v9: http://files.avast.com/iavs9x/avastclear.exe

  1. Uninstall Avast by control panel [If you don’t have Avast in control Panel go to #4]
  2. Uninstall in safe mode using aswclear (v8 or below) or avastclear (v9) [If you don’t have Avast in control Panel just install it]
  3. Download and install your version
  4. Reboot.

Note : Once installed make sure you change program update TO MANUAL.