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firefox 4.0 dmg not recognized on mac os 10.5.8

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kcindy
kcindy
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trying to upgrade from firefox 3.6. downloaded firefox 4.0 dmg file not recognized. working with mac operating system 10.5.8.

trying to upgrade from firefox 3.6. downloaded firefox 4.0 dmg file not recognized. working with mac operating system 10.5.8.

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TonyE
TonyE
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Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox

If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

Mozilla are working to prevent Mac users with non-compatible systems from getting the notification about Firefox 4, and also not displaying the "Download Firefox 4" button on http://www.mozilla.com