computer won't turn on since upgrading Firefox

I got a message on my iMac running High Sierra, to upgrade Firefox this am, It upgraded to v. 78.0.2 on restart, getting message that cannot load OS. It will load in sa… (閱讀更多)

I got a message on my iMac running High Sierra, to upgrade Firefox this am, It upgraded to v. 78.0.2 on restart, getting message that cannot load OS. It will load in safe mode. but can't connect to internet or mail. Please help! Thank You, Scott Mandel MD

Asked by drscottmandel 1 天前