I fried the mother board on my old computer and had to buy another one. My question is how to I get my Avast back up and running on my new computer.? :-\
Download and install a new copy of avast then install the license file you received in an email if it was a purchased version, if it was the free version then re-register through the interface.
Be sure to uninstall any trial versions of any other AV programs that may currently be active on your computer before you install avast!