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unable to install Firefox 4 on Mac OS X version 10.5.8

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  • 28 have this problem
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  • Last reply by TonyE

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Seems to download fine, but it won't install. After download, there's a circle with a slash through it on the Firefox icon. Currently running Firefox 3.6.17

Seems to download fine, but it won't install. After download, there's a circle with a slash through it on the Firefox icon. Currently running Firefox 3.6.17

All Replies (1)

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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