Uninstall it and then re-install it, (that's if you want to keep Avast on your PC).
Avast Antivirus & Bevast
No I love Avast and have never had a virus with it.
No. Avast is a separate company from AVG.
Avast! Anti-virus and Kapersky anti-virus
Avast is an anti virus program for your computer and it is free to download for home use.
1) Avast! 2) AVG 3) Avira
Avast! anti virus software
avast anti virus or avg 2015
AVG and avast.
smadav
Avast is a brilliant freeware anti-virus. You can download yourself a copy from FileHippo or download.com.A related link has been submitted below if you wish to download Avast anti-virus.
Yes, try avast anti-virus or malware bytes anti-malware.