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Firefox won't install bc of "Unsupported Architecture" when I clearly meet the System Requirements?

Jesse Perry
Jesse Perry
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I installed Firefox 4.0 and upon clicking on the mounted image, I dragged and dropped the program into my applications folder, then because of unsupported architecture the program wouldn't launch. However, I read the system requirements before installation and I meet all of the above. I have a PowerMac w/ a Dual 1.8Ghz PowerPC G5 based processor, 1GB DDR SDRAM, and a 320GB Hard Drive running Mac OSX 10.5.8. After which I had to delete the program and restore firefox 3.6.16 using Time Machine.

I installed Firefox 4.0 and upon clicking on the mounted image, I dragged and dropped the program into my applications folder, then because of unsupported architecture the program wouldn't launch. However, I read the system requirements before installation and I meet all of the above. I have a PowerMac w/ a Dual 1.8Ghz PowerPC G5 based processor, 1GB DDR SDRAM, and a 320GB Hard Drive running Mac OSX 10.5.8. After which I had to delete the program and restore firefox 3.6.16 using Time Machine.

All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Firefox 4 doesn't run on a PowerPC Mac.
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:

Jesse Perry
Jesse Perry Mwenye swali
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I must have misread the system requirements then, because I could've sworn that they said a PowerPC G5 based processor was supported on Firefox 4.0. My mistake. Ultimately when my mac told me unsupported architecture, I should've listened. haha. Never second guess your Mac. They're always right!