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Firefox is not supported on the architecture (mac g5, os 10.5.8

  • 1 reply
  • 55 have this problem
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  • Last reply by cor-el

erinleedesigns
erinleedesigns
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I downloaded and installed Firefox 4 this afternoon. When I tried to open it I got an error message, "You can't open the application "Firefox" because it is not supported on this architecture. I have a Mac PowerPC G5 running OS 10.5.8 I should add the the Firefox icon in the install window has the "Do not enter" icon superimposed over it'bold text'

I downloaded and installed Firefox 4 this afternoon. When I tried to open it I got an error message, "You can't open the application "Firefox" because it is not supported on this architecture. I have a Mac PowerPC G5 running OS 10.5.8 I should add the the Firefox icon in the install window has the "Do not enter" icon superimposed over it'bold text'

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cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at:

Firefox 3.6.x can be found here: