PURCHASED AVAST ANTI-VIRUS IN NOVEMBER, ATTEMPTING TO TRANSFER THE PROGRAM TO A NEW COMPUTER AFTER MY OLD COMPUTER CRASHED. ON THE AVAST WEB SITE THEY REFUSE TO RECOGNIZE MY EMAIL ADDRESS; TELLING ME THAT I AM NOT REGISTERED. PURCHSAE MADE AND CHARGED TO MY VISA CREDIT CARD ON 20 NOVEMBER 2010, WITH YOUR EMAIL ADDRESS ON THE BILLING.