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Norton Confidential says that I am not protected when web browsing unless I use Firefox version 1.5. However, I actually use version 3.6.10. What's the problem?

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I use Foxfire Version 3.6.10. Whenever I boot Firefox, I get the following message: "This version of Firefox is not supported by Norton Confidential. You will not be protected while browsing the Web. Norton Confidential cannot protect you while you use this version of Firefox. Phishing protection requires Firefox 1.5 or later."

Note that my version of Norton Confidential is Version 1.2.1 (36).

I use Foxfire Version 3.6.10. Whenever I boot Firefox, I get the following message: "This version of Firefox is not supported by Norton Confidential. You will not be protected while browsing the Web. Norton Confidential cannot protect you while you use this version of Firefox. Phishing protection requires Firefox 1.5 or later." Note that my version of Norton Confidential is Version 1.2.1 (36).

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See Norton support for help with that issue.
http://norton.lithium.com/norton/