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How do I get rid of firefox 4. It is slow and hangs all the time. A big step backwards.

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Firefox 4 is slow constantly hangs and is a big step backwards. How do I download an older version that actually works. O r do I go to Chrome.

Firefox 4 is slow constantly hangs and is a big step backwards. How do I download an older version that actually works. O r do I go to Chrome.

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Same here, it is really slow and hangs all the time. Could add-ons be the reason for this?