Problem of unlocking my phone

Alex, 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

my name is Alex mundani email adress alexmundani@gmail.com .owner of sony experia ST 26i.i set avg anti theft to my phone yesterday i changed sim card  and when i returned the simcard which i use mostly  the phone requested for anti theft unlocking pass word which i can not remember.
please help me to unlock my phone cause am confused ,i can not use my phone.
regards
alex

Alex, 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