Amy,
We are sorry to hear about the inconvenience caused. You could try to unlock your mobile as described in this article http://avgclick.me/LockedPhone .
If these steps does not help, I request you to contact our android mobile support team using this link( http://avgclick.me/AVGtechnical ), select as Android in OS field, fill out your details and click email option. AVG mobile team will reply back to you via email with a resolution. Thank you.
now i tried to change my sim card but now my phone is locked because of this app asked for unlocked password t ried sevreal times but it still locked plz help i want to unlocked or desinstall this
AMY, Please note that the AVG Android mobile team support is provided through email only.
AVG Guru