Clear your cache and cookies (for the affected site) to see if that makes a difference. <h4><u>Clearing Cache</u></h4> # Press '''CTRL/CMD + SHIFT + DEL'' # Select "time range to clear" to '''Everything''' # Expand the "Details" by clicking the Arrow # Uncheck everything except Cache # Click Clear Now <h4><u>Clearing Cookies</u></h4> # Go to the orange Firefox button > Options > Privacy > Remove individual cookies # Search for the site you are having issues with and click Remove Cookies # Restart Firefox and try again ---- I see that user.js is active on Firefox The user.js file is only present if you or other software has created this file and normally it wouldn't be there. You can delete a possible user.js file and numbered prefs-##.js files and rename (or delete) the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in the current Firefox release. You can get to the profile folder below: *Help > Troubleshooting Information > Profile Directory > Show Folder or *Go to '''about:support''' and click Show Folder next to Profile Directory.