Avast Browser AdBlock Not Working

I have used Avast Browser for about 2 years and everything was fine.
I have updated the browser and now the adblock isnt working.

I tried:
restarting the browser
turning on/off the adblock

nothing is working
Please Help

See this post https://forum.avast.com/index.php?topic=256094.msg1598153#msg1598153 a request (by Avast Team member) for more detailed information to try to resolve it