14 Firefox will not open!

I tried to update, on 14 FF, twice, and whenever I do, FF does not open. I'm under return 13 without any problem, but as soon as I upgrade to 14, I need to uninstall FF and reinstall 13 and not up to date. But I need to update, most of my modules are not compatible with 13, they say, and I won't be vulnerable to security issues.

It cannot be my profile because it works very well with 13. I turned off my security systems and it will not always be open.

Any help?

Shirley


Tags: Firefox

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