do yourself a favor and make this permenant. avast is shit. Dont let your antivirus spy on your browser with an extension too, keep it on for downloads and local files only
Antivirus programs are worse for your PCs than actual viruses, especially if they are security riscs themselfes. Which, spoiler alert, they are. Just use adblock and your common sense, and you’re good. I haven’t used an antivirus in the last 8 years and nothing bad has happened.