I can't open Fiefox4 cos "it is not supported on this system"also Firefox4 "can't be launched 10661.

I downloaded firefox4 but when I try to open it I get a box with "the app Firefox cannot be launched 10661".
When I go to applications I get a box"You cannot open the application because it is not supported on this system"
I am on a Mac osx.
Any advice would be helpful.
Rgds
Derrick

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

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I can't open Fiefox4 cos "it is not supported on this system"also Firefox4 "can't be launched 10661.

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