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Since I downloaded the most recent version, Firefox will not launch at all? No screen pops up, nothing happens. It shows on my task manager but that is it.

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Since I downloaded the new version of Firefox it will not launch on my computer. I hate Chrome and IE, but I have to use them because my Firefox won't work. How do I fix this?

When I double click it to launch off my desktop nothing happens. No pop up, no window, no error message nothing. Only when I ctrl-alt-del and go to my task manager is there any trace of it running in the processses tab. It does not show up in my applications tab.

Since I downloaded the new version of Firefox it will not launch on my computer. I hate Chrome and IE, but I have to use them because my Firefox won't work. How do I fix this? When I double click it to launch off my desktop nothing happens. No pop up, no window, no error message nothing. Only when I ctrl-alt-del and go to my task manager is there any trace of it running in the processses tab. It does not show up in my applications tab.

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From here it looks like you used Safari instead. Lots of choices that's what I like.

You did end Firefox and try to restart didn't you?

If you did then I would expect you have a problem with your Firewall, and would have had it before, does not affect IE, it does affect Firefox, I don't know about other browsers. See

http://kb.mozillazine.org/Firewalls