AVG Support Community
Just block Browser extension rating all together by editing this file:
"c:\Program Files (x86)\AVG\Antivirus\BrowserCleanup.ini"
Content original: ServerURL=http://bcu.ff.avast.com
Content changed: ServerURL=http://bcu.ff.avast._com
To be able to edit thsi file you need to boot Windows 10 in recovery mode and start it with Command prompt. Thne edit and save the file and reboot yuor PC normally.