"Add in a new Tab" and "Add in a new Window" are completely unresponsive since upgrading from 3.1.7 to 4.0.1; how do I get them to work again?
I pull down the bookmarks menu, right-click on a bookmark, and then left-click on "Add in a new Tab". Nothing happens. No new tab, no error, nothing. Adding a new tab by the plus icon works fine. Selecting a bookmark and clicking on it works fine.
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.com/kb/Safe+Mode
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
- Use "Disable all add-ons" on the Safe mode start window to disable all extensions.
- Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")
Thanks for the suggestion. I re-started Firefox in safe mode and it worked correctly. I then re-started in normal mode and it continued to work correctly. Re-booted, etc., and it continues to work; no need to disable any plug-ins. I guess something was just 'stuck'. Thanks again.