Is it possible to disable or remove an add-on from the outside of the FF (it does not start after adding an addon)

I installed the addon and now FF won't start and seems to be a loop. Is it possible to uninstall the addon or configure FF so that it starts with disabled addons? Don't forget that FF does not at all so I don't have access to one of the internal functions.

Release the FF is 17.0.1, on Windiows XP/SP3

In addition, as soon as I did this, I would have the addon added to the red list.

Open Firefox in Safe Mode diagnosis by holding down the SHIFT key when you start Firefox. Firefox will start with Extensions and some other things off. When done with the Safe Mode, the release of Firefox, wait a few seconds and click the Firefox desktop icon to start Firefox in normal mode.

More info on who and by removing manually extensions, if any, included in the following articles:

Additional follow-up questions:

  • Name of the add-on?
  • Link to which you downloaded the add-on?
  • Was this a separate application? If Yes, have you looked in Control Panel > add or remove programs (or programs and features) to see if it is listed and remove from there?

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