If you’re facing trouble logging into AdSense accounts after the latest Mozilla Firefox update. It’s due to the Adblock Plus, an add-on that sometimes gets installed with Firefox. It can prevent you from accessing your account on the AdSense homepage.
AdSenese blog —”recommendation is to clear your cache and cookies and turn off the Adblock software before trying to log in at www.google.com/adsense. You may also wish to review troubleshooting tips for login issues in the Help Center.”Google, Mozilla, Firefox, Adblock Plugs, AdSense, Troubleshooting, Tips and Tricks