system
7
Try reseting your IE settings.
This is done by opening ‘Internet Option’ and clicking on the “Advanced” tab. SEE PIC
You don’t have to delete all your personal settings; such as HomePage, Add-ons, etc so it shouldn’t change much (if you have custom settings in your “Connections” tab; you will need to go back and set them to your needs.
http://forum.avast.com/index.php?topic=138330.0