Need Avast Support??

Hi,
i am soya. I am buy one avg antivirus. and face many problems like my product key is not Vaild and any other problems…then i am serach in google Avast Support Number. and than call to avast customer Care… but i am not satisfy. if u know my problem ans Then reply me??
i am waiting reponse.
http://www.alevelsolutions.com/forum/suggestion-box/445641-need-avg-support#445648

https://support.avg.com/?l=en