Forgot unlock password due to sim card change

Leonard, Don't know if this will help?.. Have a look @ this article. 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

Forgotten my unlock password on avg as I have changed the simcard on my device and it's asking for a unlock password

Leonard, Don't know if this will help?.. Have a look @ this article. 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