Hello Fareed,
Please accept our apologies for the inconvenience this has caused you.
Firstly, we request you to specify the details as to how you narrowed it down that AVG caused this. If you could contact your hosting provider, obtain further details about this & share them to us, it'd be most helpful.
Secondly, please share us relevant screenshots of your webpages which were affected, so that we can check & assist you further.
You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.
Thanks in advance!