Why am I periodically getting the message that my version of Firefox is outdated or not supported?
On my 2008 MacBook Pro with OS 10.6.8, I am using Firefox 17.0.1.
This is because your User Agent String (what tells websites the browser you use) is corrupt. You can fix it by following these directions: http://support.mozilla.org/en-US/kb/websites-say-firefox-outdated-or-incompatibleRead this answer in context 3
Additional System Details
- Shockwave Flash 10.3 r183
- Displays Java applet content, or a placeholder if Java is not installed.
- The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
- The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
- The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
- Widevine Media Transformer Plug-In 184.108.40.20679
- RealPlayer Plugin
- Garmin Communicator Plug-in Version 220.127.116.11
- Picasa plugin.
- User Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:18.104.22.168) Gecko/20091102 Firefox/3.5.5 FBSMTWB
This is because your User Agent String (what tells websites the browser you use) is corrupt. You can fix it by following these directions: http://support.mozilla.org/en-US/kb/websites-say-firefox-outdated-or-incompatible
Thank you... problem solved!