Uninstall Avg toolbar

You can easily get rid of AVG Toolbar and for that, first start the Internet Explorer of you have not installed then, first install it. Click on the arrow option that appears to the next AVG logo in the toolbar field. Click on Uninstall AVG Security toolbar option and then select ‘Remove the Toolbar and AVG Secure’. Click on OK to uninstall it from your PC.
https://www.ukcontacthelp.co.uk/avg-uk-contact.php
Other Sources:
http://www.avg-support.co.uk/