how to contact avast by phone. or live tech support

how do i contact avast live or get a phone number. my avast has been turned off and i am unable to turn off. my system is unprotected. please help

no need for multiple post on same topic

have you tried avast repair and reboot

For a repair of avast. Windows, Add Remove programs, select ‘avast! Anti-Virus,’ click the Change/Remove button from the pop-up window, scroll down to Repair, click next and follow.

how to contact avast
http://www.avast.com/en-eu/contacts