Avast GrimeFighter cant restart hes switch of my wi-fi adapter

:-[Avast GrimeFighter cant restart hes switch of my wi-fi adapter and cant connect to internet to continue

What os/sp?
What exact version of avast?
What happens if you try to run GrimeFighter again?

AMD Six core Windows 7 64 bit avast free antivirus update to grimefighter

When run again same story

So you can run GrimeFighter again?
If so, tell it to undo the changes it made.
That should make everything working again.