One piece of advice that I'm glad to see included in that link: "Disable or uninstall any 3rd party "anti-virus" software. Most of them do more harm than good when they interfere with your browser's secure connections."
If you're using Windows, there is little need to use anything other than Defender (built-in). Any 3rd party anti-virus is intercepting your traffic for analysis.
One piece of advice that I'm glad to see included in that link: "Disable or uninstall any 3rd party "anti-virus" software. Most of them do more harm than good when they interfere with your browser's secure connections."
If you're using Windows, there is little need to use anything other than Defender (built-in). Any 3rd party anti-virus is intercepting your traffic for analysis.
Some 3rd party anti-viruses are even crashing browsers: https://support.google.com/chrome/thread/17555930