I'm unable to sign into my Gmail accounts. I kept on getting the message saying that Gmail couldn't sign me in because the browser or app may not be secure.
I just tried to sign into my Gmail account after updating to the new Firefox 76. Granted, I've not signed in via Firefox for sometime since I've updated my Macbook to Catalina, its latest operating system. However, when I tried to sign on via Firefox, I keep on getting the message saying that Gmail cannot sign me in, stating that the browser or app may not be secure (I've attached a screenshot of the message I received). Please help me resolve this. Thank you.