Try contacting help line number.
They may help you to disable pin.
Also try formatting mobile phone and restore factory setting.
Mobile Number Locator (http://mobilenumbertrackr.com)
Tanju, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone). Otherwise, Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru
hallo avg team my phone locked dont opened ı dont remember screen pin ,phone want scren pın ı dont remmeber plase help me
Try contacting help line number.
They may help you to disable pin.
Also try formatting mobile phone and restore factory setting.
Mobile Number Locator (http://mobilenumbertrackr.com)