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Installed Nortons.Getting error SSL_ERROR_BAD_MAC_READ all the time. Norton says problem with Firefox Please Help

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  • Last reply by cor-el

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Since I installed Norton antivirus I am always getting error ::: SSL_ERROR_BAD_MAC_READ. After spending all morning with Norton I was told problem is with Firefox. Norton works fine with Explorer and Google Crome. Please Help

Since I installed Norton antivirus I am always getting error ::: SSL_ERROR_BAD_MAC_READ. After spending all morning with Norton I was told problem is with Firefox. Norton works fine with Explorer and Google Crome. Please Help

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What is your computer system and Firefox?


Open the Norton program and have it check for updates. Do the same with the computer system.


Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control>(Mac=<Command>)<Shift> A)

In the Add-ons Manager, on the left, select Extensions. For now, disable Norton.


Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Then in the reply box at the bottom of this page, do a right click in the box and select Paste. This will show us your system details. No Personal Information Is Collected.

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Boot the computer in Windows Safe mode with network support to see if that has effect in case security software is causing problems.