That is because you have an old Mac OS version that only supports an old Firefox version that exposes more about the OS.

For an unofficial Firefox 24.6.0 ESR compatible version that runs on a PowerPC Mac with OS X 10.4.11 or OS X 10.5.8 you can look at TenFourFox.

• http://www.floodgap.com/software/tenfourfox/
• http://www.macupdate.com/app/mac/37761/tenfourfox
• http://code.google.com/p/tenfourfox/wiki/ReleaseNotes2460

See also:

• http://code.google.com/p/tenfourfox/wiki/AAATheFAQ

Hi FresnoBob,

http://mzl.la/MVQ0Bb = Firefox 3.6 is no longer supported

Forum software shows

User Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5; en-US; rv:1.9.2.25) Gecko/20111212 Firefox/3.6.25

So I guess the Firefox problem is as explained in this article

• Firefox no longer works with Mac OS X 10.5

So I am not sure who or what has been saying your Firefox is out of date, but it appears you are on Firefox 3.6 and could upgrade to Firefox 16 That could be a slight improvement.

As of Firefox 4.0 you needed Intel hardware. Though the old OSX 10.5 was still supported until Firefox 16.0. As of Firefox 17.0 to current you need OSX 10.6+ (Intel).

John99, the poster is using a Power Mac or PPC and not a Intel so the Firefox 16.0 will not work.

Firefox 3.6.28 was the last for the old Firefox 3.6 by the way.

As cor-el mentioned the TenFourFox is the only easy way to have a more current version of Firefox on PPC Mac.

Oops

John99, the poster is using a Power Mac or PPC and not a Intel so the Firefox 16.0 will not work.

Thanks for the reminder. James

To: Cor-el . This reply is posted with TenFourFox via floodgap.com just installed per your info. Excellent answer. [btw my computer thinks I am using Firefox now and willl not allow me to open Firefox while TenFourFox is open.]

To: James. Thanks for careful reading of the situation.

To: John99. Whoa! Is that actually the User-Agent header from my browser? How could you get that? Or just a typcial example.

My post was really intended for whoever wrote the code that looks at the browser and suggests updates. Because I was using Firefox I thought it might be someone there. It was on a Facebook account page, so maybe it was written by them. I see these messages on other websites from other, sometimes identified, sources. I do not find them helpful so this whole thing is just a kind of crank letter. Someday I will retire my PowerBook G4, but it is still working pretty good. I like the power pc with underlying unix os. I will miss that when I go to the intel machine.

Thanks to all.

FresnoBob, when one posts a new thread it takes the useragent the browser used is displaying, in the "More System Details" link on right sidebar.

This helps on what Product section to put it in as there is Firefox (for desktop), Firefox for Android, Firefox OS. However the poster can select otherwise.