After updating Firefox, you may be shown a dialog box with the following message: ''The following add-ons are not compatible with this version of Firefox and have been disabled''. This article explain how to make your add-ons working again. {for win}[[Image:e8e458d26be3ac85a881234844325d4a-1247758450-52-1.jpg]]{/for} {note}Note: '''Add-ons are not written or maintained by Mozilla.'''{/note} __TOC__ = Update the add-on = A new version of the add-on may have been released that is compatible with your version of Firefox. To check for updates, do the following: {for not fx35} #{for win}At the top of the Firefox window, click on the {button Firefox} button ({menu Tools} menu in Windows XP), and then click {menu Add-ons}{/for}{for mac}On the menu bar, click on the {menu Tools} menu, and then click {menu Add-ons}{/for}{for linux}At the top of the Firefox window, click on the {menu Tools} menu, and then click {menu Add-ons}{/for}. The Add-ons Manager tab will open. # On the "Tools for all add-ons" menu, make sure that the {menu Update Add-ons Automatically} menu is checked. {/for} {for fx35} # {for win}At the top of the Firefox window, click on the {menu Tools} menu, and select {menu Add-ons}{/for}{for mac}On the menu bar, click on the {menu Tools} menu, and select {menu Add-ons}{/for}{for linux}At the top of the Firefox window, click on the {menu Tools} menu, and select {menu Add-ons}{/for}. The Add-ons window will open. # Select the {menu Extensions} or {menu Appearance} panel depending on the kind of add-on. # Then click {button Find Updates}. If Firefox finds an update, you will be prompted to install it and restart Firefox. {/for} = Search for updates or fixes from the add-on developer = Some add-on developers have different versions of their add-on for different Firefox versions so automatic updating does not work. {for not fx35} # In the Add-ons Manager tab, click on '''More''' on the incompatible extension, and then click on the home page link,close to ''Homepage''. You will be taken to the home page for that add-on. # Download the latest version of the add-on from the home page for that add-on. {/for} {for fx35} # In the Add-ons window, {for win,linux}right-click{/for}{for mac}hold down the {key Ctrl} key while you click{/for} on the incompatible extension, and select {menu Visit Home Page}. You will be taken to the home page for that add-on.{for win}<br/> <br/> [[Image:e8e458d26be3ac85a881234844325d4a-1247762658-700-1.jpg]]{/for} # Download the latest version of the add-on from the home page for that add-on. {/for} = Search for alternatives = Similar behavior or functionality may be provided by another add-on which is compatible with your version of Firefox. The [https://addons.mozilla.org Add-ons site] is a good place to start searching for similar or alternative extensions. = Specific add-ons = The following add-ons are known to be incompatible with Firefox 3.5 and later and have more information available. For a more comprehensive list of incompatible extensions, see [https://wiki.mozilla.org/AMO/Fx3.5/Incompatible_Add-ons this list on the Mozilla wiki].

After updating Firefox, you may be shown a dialog box with the following message: The following add-ons are not compatible with this version of Firefox and have been disabled. This article explain how to make your add-ons working again.

Update the add-on

A new version of the add-on may have been released that is compatible with your version of Firefox. To check for updates, do the following:

Search for updates or fixes from the add-on developer

Some add-on developers have different versions of their add-on for different Firefox versions so automatic updating does not work.

Search for alternatives

Similar behavior or functionality may be provided by another add-on which is compatible with your version of Firefox. The Add-ons site is a good place to start searching for similar or alternative extensions.

Specific add-ons

The following add-ons are known to be incompatible with Firefox 3.5 and later and have more information available. For a more comprehensive list of incompatible extensions, see this list on the Mozilla wiki.