??? do i need a new lic. key after doing sys. recovery on my p.c. when entering key says invalid key? any help would be appreciated. thank you, avast antivirus is a excellent program.
If you are using the home version, try registering again.
avast! 4 Home Registration
Which license are you using? Home (free) or Professional?
Did you use the trial version any time?
Can you check the time and date of your computer and see if they’re ok?