Help avast has blocked it self

Avast Business Avast Server Protection
1

Since I payee for my security in September my computer now freezes avast has now gone off even though it states im cover till Sep14 I cannot not do any thing HELP

2
  • Which avast!..??
  • Which version…??
  • OS…?? (32/64 Bit…? - which SP…?)
  • Other security related software installed…??
  • Which AV(s) did you use before avast!..??