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I was prompted to download 4.0 but I keep getting an error msg: ... cannot open because it is not supported on this architecture. Downloaded it again. Same problem. I'm on a Mac.

karenriley
karenriley
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Why I do the downlaod the firefox icon comes up with a big white circle that has a line thru it.

Why I do the downlaod the firefox icon comes up with a big white circle that has a line thru it.

All Replies (1)

the-edmeister
the-edmeister
  • Moderator
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http://www.mozilla.com/en-US/firefox/4.0/system-requirements/

Mac Operating Systems

  • Mac OS X 10.5
  • Mac OS X 10.6

Recommended Hardware

  • Macintosh computer with an Intel x86 processor
  • 512 MB of RAM
  • 200 MB hard drive space

For older Macs that aren't supported in Firefox 4.0, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 .
http://www.floodgap.com/software/tenfourfox/

Or revert to Firefox 3.6.16, which is available here:
http://www.mozilla.com/en-US/firefox/all-older.html