I downloaded version 5.01 and it shows up with a crossout sign over the firefox icon but still asks if I want to replace my older version.
I am running an old version of firefox. I downloaded the new version and when it appeared on my desktop to move it to my applications folder there was a circle with a diagonal line through it over the icon. It asks if I want to replace the older version with the newer version, but I hesitate to do that because I am afraid that firefox won't work at all then.
I am running an old version of firefox. I downloaded the new version and when it appeared on my desktop to move it to my applications folder there was a circle with a diagonal line through it over the icon. It asks if I want to replace the older version with the newer version, but I hesitate to do that because I am afraid that firefox won't work at all then.
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- Firefox 4 versions and later do not run on a PowerPC Mac.
- Firefox 4 and later require at least OS X 10.5 and an Intel Mac.
- http://www.mozilla.com/firefox/5.0/system-requirements/
For an unofficial Firefox 4 compatible version (TenFourFox) that runs on PowerPC Macs with OS X 10.4.11 or OS X 10.5.8 you can look at:
Firefox 3.6.x (Mac OS X 10.4 and later) can be found here: