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I have compatibilty issues with Firefox 7 and Beta 8. Where can I download an earlier version of Firefox which has worked for me in the past?

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I am using Windows XP on an older Toshiba laptop. When using Firefox 7 or Beta 8, Yahoo mail does not have all its functionality, and the browsers hang when selecting sites such as ebay. I am not interested in troubleshooting Firefox 7 or 8, but I would like to download a version of Firefox 5, which has worked for me in the past.

I am using Windows XP on an older Toshiba laptop. When using Firefox 7 or Beta 8, Yahoo mail does not have all its functionality, and the browsers hang when selecting sites such as ebay. I am not interested in troubleshooting Firefox 7 or 8, but I would like to download a version of Firefox 5, which has worked for me in the past.

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The official line is that versions 4, 5 and 6 are no longer supported, or secure. Using them is not recommended as it increases risks to your system and data.

Firefox 3.6 is still supported and secure