Browser cleanup bugs!!! please fix!!!!!

:‘( :’( :‘( there is a bug with the browser cleanup:it says there are “add-ons” but when I try to remove them they won’t go away.The “add-ons”: Search project, Extutil, and Managera.I am very dissapointed that avast!(the best antivirus out there) cannot get rid of them. :’( :‘( :’(

https://forum.avast.com/index.php?board=54.0