What OS? If windows, what security software besides MS Defender are you running? What version of Firefox? It would be helpful if you post screenshots showing the issues. I've not had any issues with google services. see screenshot Did you try with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#search Did you clear your browser cache? https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox