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!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

সহায়তা খুঁজুন

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.

আরও জানুন

downloaded 4, logo has stop sign, can't open, not intel mac

  • 1 উত্তর
  • 4 এই সমস্যাটি আছে
  • 10 দেখুন
  • শেষ জবাব দ্বারা cor-el

more options

Have an imac g5, x.4.11 NOT a intel mac. Had firefox 3, downloaded 4, trashed 3. icon had stop sign thru. won't open now have no firefox at all. All this because I didn't have adobe flash player 9, thought I would upgrade all. yeah right

Have an imac g5, x.4.11 NOT a intel mac. Had firefox 3, downloaded 4, trashed 3. icon had stop sign thru. won't open now have no firefox at all. All this because I didn't have adobe flash player 9, thought I would upgrade all. yeah right

All Replies (1)

more options

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at:

Firefox 3.6.x can be found here: