Installation of new add-on doesn't work and causes some add-ons do not want to work more.

When I tried to install an addon, it downloaded and tells me to restart Firefox, which I did. However, when I opened the menu of the addon, addon was not there. In addition, some (and some) addons like Adblock Plus, has stopped working. I tried reinstalling the addon, and she said that she had installed (with no need to reboot). I opened the menu addon again, and the addon was there and said it was activated, but it did not work. When I clicked on the Options button, Firefox froze in a funny way: my mouse wouldn't click anywhere on the window, but I could still scrolling with the wheel, handle tabs with keyboard shortcuts and type in the address bar and other areas. I have rebooted, deleted the addon, rebooted again and finally ABP started working again and everything was back to normal. I tried with several different addons, and it behaved exactly the same way every time. Anyone know what is happening?

FF 16.0.1
Windows 7 32 bit

Hello

You can try to delete the extensions.* files in the Firefox profile folder right out of Firefox. To open the profile via Firefox folder: help (Alt + H) > troubleshooting information > view folder.

Files & Firefox profile folder

It would also be a good idea to install the extension or other extensions via Firefox Tools (Alt + T) > Add-ons, box top-right search, or AMO.

You should also make sure that security software (antivirus, firewall etc.) are not interfering.

Unable to install add-ons

Cannot install extensions or themes

Troubleshooting extensions and themes

If the problem persists, you can also reset Firefox and start over.

The reset Firefox feature can solve a lot of problems in restaurant Firefox to its factory default condition while saving your vital information.
Note: This will make you lose all the Extensions, open Web sites and preferences.

To reset Firefox, perform the following steps:

  1. Go to Firefox > help > troubleshooting information.
  2. Click on the button 'Reset Firefox'.
  3. Firefox will close and reset. After Firefox is finished, it will display a window with the imported information. Click Finish.
  4. Firefox opens with all the default settings applied.

Information can be found in the article Firefox Refresh - reset the settings and Add-ons .

This solve your problems? Please report to us!

Tags: Firefox

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