I running OS-10.5.8 and when download Firefox and try to open get "You cannot open the application "Firefox" because it is not supported on this architecture. You cannot open the application "Firefox" because it is not supported on this architecture."

The above is my question

Sorry, Firefox 4+ versions don't support PPC architecture.
For older Macs that aren't supported in Firefox 4 / 5 / 6, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 . <br />
http://www.floodgap.com/software/tenfourfox/ <br />
http://code.google.com/p/tenfourfox/downloads/list
Or use Firefox 3.6.20: <br />
http://www.mozilla.com/en-US/firefox/all-older.html

Similar Messages

Maybe you are looking for