Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

I downloaded a new version of Firefox to my 2004 iMac. Now it does not work

more options

How can I get back my old version of Firefox that did work?

How can I get back my old version of Firefox that did work?

All Replies (1)

more options

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 3.6.17
http://www.mozilla.com/en-US/firefox/all-older.html