Every 3-4 click on the links on the page tab opens with ads. Links of icons is clean.
hey and welcome to the avast forum if you want a check up
please go to this guide and attach the logs from mbam,frst+addation
https://forum.avast.com/index.php?topic=53253.0
second can you give some more information on you problems
does avast say anything if so what?