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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Firefox 4 not compatible with Ancestry can I download Firefox 3.6.16?

  • 2 replies
  • 15 have this problem
  • 3 views
  • Last reply by dipdip

dipdip
dipdip
more options

Today I removed Firefox 3.6.16 and downloaded Firefox 4 and immediately began having problems with functions in Ancestry.com who advised me that Firefox 4 is not currently compatible with Ancestry.com. I prefer not to use internet explorer and really need to re-install Firefox 3.6.l6 am I able to do this? Please help!.

Today I removed Firefox 3.6.16 and downloaded Firefox 4 and immediately began having problems with functions in Ancestry.com who advised me that Firefox 4 is not currently compatible with Ancestry.com. I prefer not to use internet explorer and really need to re-install Firefox 3.6.l6 am I able to do this? Please help!.

Chosen solution

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

http://support.mozilla.com/en-US/kb/Installing+a+previous+version+of+Firefox

Read this answer in context 👍 0

All Replies (2)

the-edmeister
the-edmeister
  • Moderator
more options

Chosen Solution

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

http://support.mozilla.com/en-US/kb/Installing+a+previous+version+of+Firefox

dipdip
dipdip Question owner
more options

Many thanks for your help the-edmeister, I have now re-installed Firefox 3.l6.6 and am back in familiary territory.