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Is FIreFox 12 compatibel with Norton Internet Security?

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I have not updated to FireFox 12.0 because I thought it was not compatible with my Norton Internet Security. I am trying to find out whether this is true. Also, what are the problems associated with upgrading to 12.0 if I have Norton Internet Security.

I have not updated to FireFox 12.0 because I thought it was not compatible with my Norton Internet Security. I am trying to find out whether this is true. Also, what are the problems associated with upgrading to 12.0 if I have Norton Internet Security.

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hello maria, firefox 18 is the current version & norton is compatible to it, see https://community.norton.com/t5/Norton-Toolbar-Norton-Identity/Firefox-18-Support-for-Norton-Toolbar/td-p/886714

please update firefox as soon as possible, since continuing using outdated versions of firefox affected by numerous known security vulnerabilities will put the integrity of your system and all the personal data on it at risk!

Update Firefox to the latest release

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Currently Norton supports Firefox 16.0 and above. Firefox 15.x and older are no longer supported by Norton.