Hello, '''Try [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]]''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings, disables most add-ons (extensions and themes). See the [[Troubleshoot Firefox issues using Safe Mode]] article for more information. If Open Link in new tab works in Safe mode, one of the extensions/add-ons (Firefox/Tools > Add-ons > Extensions) was causing the problem. Then let us know what extension or plugin are you using that causes this problem. '''You can also try the [[Reset Firefox – easily fix most problems|Reset Firefox Feature]].''' The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information. See the [[Reset Firefox – easily fix most problems]] article for more information. To Reset Firefox: # Open the Troubleshooting Information page using one of these methods: #*Click the menu button [[Image:New Fx Menu]], click help [[Image:Help-29]] and select ''Troubleshooting Information''. A new tab containing your troubleshooting information should open. #*If you're unable to access the Help menu, type '''about:support''' in your address bar to bring up the Troubleshooting Information page. #At the top right corner of the page, you should see a button that says "Reset Firefox" that looks like this: [[Image:Button reset]]. Click on it. #Firefox will close and reset. After it is done, Firefox will show a window with the information that is imported. #Click Finish and Firefox will reopen. '''Did this fix the problem? Please report back to us!''' Thank you.