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I'm on a Mac OS X 10.5.8 and i loaded firefox 7 and now it keeps telling me that we are not compatible with this architecture.

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I had Firefox 7 loaded on the computer and now it tells me we are not compatible.

Now when i go to the Firefox website, I get this reply:

Unfortunately the latest version of Firefox isn't compatible with your computer's operating system. Learn more.

I had Firefox 7 loaded on the computer and now it tells me we are not compatible. Now when i go to the Firefox website, I get this reply: Unfortunately the latest version of Firefox isn't compatible with your computer's operating system. Learn more.

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Firefox 4 versions and later do not run on a PowerPC Mac.
Firefox 4 and later require at least OS X 10.5 and an Intel Mac.

For an unofficial Firefox 7 compatible version (TenFourFox) that runs on PowerPC Macs with OS X 10.4.11 or OS X 10.5.8 you can look at:

Firefox 3.6.x (Mac OS X 10.4 and later) can be found here: