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Firefox is blocked from connecting, IE9 is not. Any ideas why? I believe this is a viral attack of some kind.

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My Firefox is NOT connecting to the Internet. It's like it is blocked and isolated from the web. I've tried restarting with add-ons disabled, Safe-Mode and reinstalling. Nothing has worked. This is the second time this has happened to Me in the last six months. The last time, I had a hard drive failure and had found a virus attack shortly before losing the drive. How do I fix this?

My Firefox is NOT connecting to the Internet. It's like it is blocked and isolated from the web. I've tried restarting with add-ons disabled, Safe-Mode and reinstalling. Nothing has worked. This is the second time this has happened to Me in the last six months. The last time, I had a hard drive failure and had found a virus attack shortly before losing the drive. How do I fix this?

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