What's your computer system and Firefox version?

Please explain the problem in detail. What happens? What is the exact error messages?

@ FredMcD :

This is a duplicate to :

https://support.mozilla.org/en-US/questions/1239427

Where the system details show :

Mac OS X 10.6

Firefox version 40.0 (!)

Shockwave Flash version 21.0.r0 (!)

Separate Security Issue: Update your Flash Player or remove it using these links; http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Uninstall Flash Player | Windows http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-mac-os.html Uninstall Flash Player | Mac

Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version: Version 31.0.0.122

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

Hello kathr,

In addition to the above :

As you probably already know, Firefox support has ended for
Mac OS X 10.6, 10.7 and 10.8

See : https://support.mozilla.org/en-US/kb/firefox-osx

Firefox version 45.9.0esr is the most up to date version that will run on your system :

http://archive.mozilla.org/pub/firefox/releases/45.9.0esr/mac/

http://archive.mozilla.org/pub/firefox/releases/45.9.0esr/mac/en-US/

What address are you using? Do either of these work?

• https://outlook.live.com/mail/inbox
• https://outlook.live.com/owa/?path=/mail/inbox