Type '''about:preferences#content'''<enter> in the address bar. Across from '''fonts and colors,''' press the '''Advanced''' button. On the bottom, turn on '''Allow Web Sites To Choose Their Own.''' Fonts Information - Detected via Flash http://browserspy.dk/fonts-flash.php?detail=1 Mac You can check for corrupted and duplicate fonts and other font issues: http://www.thexlab.com/faqs/multipleappsquit.html - Font Book 2.0 Help: Checking for damaged fonts http://www.creativetechs.com/iq/garbled_fonts_troubleshooting_guide.html -------- Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift><br> ''(Mac=Options)'' ''' key, and then starting Firefox. Is the problem still there? --------- Security Issue: Update your Flash Player '''Note: Windows users''' should download the '''active_x''' 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 '''active_x.''' Flash Player '''Version: 21.0.0.213''' Flash Player (Linux) '''Version 11.2.202.616''' https://get.adobe.com/flashplayer/ Direct link scans current system and browser '''Note:''' Optional offer: McAfee Security https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) '''Note:''' Optional offer: McAfee Security See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Thanks Fred! Restarting firefox with add-ons disabled/safe mode and then choosing "refresh" fixed the problem. Best wishes, Kev

Glad to help. Safe Surfing. And remember to take care of your flash player