Ha!

1. Disable AVG self protection:
Right click the AVG icon in the taskbar (near the clock)
Select to Temporarily Disable AVG Protection
Agree the default timeout - usually 10 minutes?​
2. Open My Computer or Windows Explorer and Navigate to:
C:\Program Files\AVG\AVG201x\ ...... for 32bit systems (201x means 2013 or 2014)
C:\Program Files (x86)\AVG\AVG201x\ for 64bit systems​
3. Delete the following three folders: Awacs, Banners, Tuneup
Do not delete anything else you see inside the AVG201x folder.
If you accidentally delete anything else go to the recycle bin and restore it.
Note: If you have already paid for the Tuneup addon then keep this folder​
4. Close the My Computer/Explorer window
5. Enable AVG self protection:
Right click the AVG icon in the taskbar (near the clock)
Select to Enable AVG Protection - takes 20 seconds or so to fully activate.​