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I operate on Mac OS X 10.4.11, and I tried to update to Firefox 15. Now, it won't open at all! Is there anything I can do, aside from getting a newer computer?

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I was having trouble with the Silverlight plug-in (NetFlix), and the NetFlix customer service rep told me to update to Firefox 15. It downloaded fine, but won't open. I am on kind of a dinosaur MacBook from 2006 (Mac OS X 10.4.11), but I'm still within NetFlix's watching capability realm, so I figure the issue is with the browser. I'd really like to continue using Firefox - thanks in advance for your help!

I was having trouble with the Silverlight plug-in (NetFlix), and the NetFlix customer service rep told me to update to Firefox 15. It downloaded fine, but won't open. I am on kind of a dinosaur MacBook from 2006 (Mac OS X 10.4.11), but I'm still within NetFlix's watching capability realm, so I figure the issue is with the browser. I'd really like to continue using Firefox - thanks in advance for your help!

Solution choisie

Do you have a PowerPC processor or an Intel processor?

Firefox 4 and later require at least OS X 10.5 and a Mac with an Intel processor.

You can find the latest Firefox 3.6.x release in all languages and for all Operating Systems here:

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Solution choisie

Do you have a PowerPC processor or an Intel processor?

Firefox 4 and later require at least OS X 10.5 and a Mac with an Intel processor.

You can find the latest Firefox 3.6.x release in all languages and for all Operating Systems here: