Why doesn't the mouse click on the tab context menu more displays the option to move the tab to a different group.

When I click right click on a tab, the context menu no longer offer to move this tab to another group.

What's new since 38.05

Why was this feature depricated?


I've got 38.0.5 on Win 7 x 64 Fx.

You already have a userChrome.css file to change the user interface of Firefox? It is the only other method that comes to mind to hide a menu item. You can find such a file in this way:

Open the settings folder (AKA Firefox profile) current Firefox help

  • button "3-bar" menu > "?" button > troubleshooting information
  • (menu bar) Help > troubleshooting information
  • type or paste everything: in the address bar and press Enter

In the first table of the page, click on the view file"" button. This should launch a new window that lists the various files and folders in Windows Explorer.

Look for a folder named chrome , and if you find it, click on inside.

Any userChrome.css file here? If so, you can open in a text editor and view its contents to see if it looks familiar.

Or maybe your program files have been damaged in the upgrade. This happens from time to time, with unpredictable results. To remedy this situation, I would suggest:

Clean reinstall it

We use this name, but it isn't about deleting your settings, this is to ensure that the program, files are clean (no incompatible or exotic code files). As described below, this process does not disrupt your existing settings. Don't uninstall NOT Firefox, that does not need.

(1) download a fresh Installer for Firefox 38.0.5 of https://www.mozilla.org/firefox/all/ in an ideal location. (Scroll down your preferred language).

(2) close Firefox (if applicable).

(3) to rename the program folder:

(Windows 64-bit folder names)

C:\Program Files (x86)\Mozilla Firefox


C:\Program Files (x86)\OldFirefox

(Windows 32-bit folder names)

C:\Program Files\Mozilla Firefox


C:\Program Files\OldFirefox

(4) run the installer you downloaded in the #1. It should automatically connect to your existing settings.

You can get reinstalled Firefox?

Note: Some plugins can only exist in this OldFirefox file. If it is missing something essential, present in these files:

  • \OldFirefox\Plugins
  • \OldFirefox\browser\plugins

Tags: Firefox

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