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This article describes how to uninstall an [[Using extensions with Firefox|extension]] or [[Using themes with Firefox|theme]] that cannot be removed by following the instructions in [[Uninstalling add-ons]]. __TOC__ = Uninstall from Firefox Safe Mode = If you cannot access the Add-ons window or if the {button Uninstall} button is grayed out for a certain add-on, you may need to uninstall it from Firefox [[Safe Mode]]. [[T:safemode]] # In the Firefox Safe Mode dialog, click {button Continue in Safe Mode}. Once Firefox has started in Safe Mode, try uninstalling the add-on again and then restarting Firefox. = Uninstalling manually = If you are unable to uninstall an add-on in Firefox Safe Mode, first navigate to the folder where extensions are installed: # [[T:profileFolder]] # Open the {filepath extensions} folder inside your profile folder. Inside the {filepath extensions} folder there are folders for each extension and theme you have installed: * '''(Firefox 3.6)''': ## Return to Firefox and the Troubleshooting Information tab. ## In the '''Extensions''' section, locate the extension you want to remove, and note the string in the '''ID''' column. ## [[T:closeFirefox]] ## Delete the folder that corresponds to the ID you noted above. * '''(Firefox 3.5)''': ## Find the folder that corresponds to the extension you want to remove. You may need to open the the {filepath chrome} sub-folder or the {filepath install.rdf} file (in a text editor) to find the name of the extension that resides in a folder. ## [[T:closeFirefox]] ## Delete the folder that corresponds to the extension you want to remove. == Globally installed extensions == In rare cases, extensions are installed globally, into the Firefox installation folder. To remove a globally installed extension follow these steps: # [[T:closeFirefox]] # Go to your Firefox installation folder. # Go to the {filepath extensions} folder inside the installation folder. # Follow the steps above to locate the appropriate folder to delete. {for win} = Uninstall from Windows Control Panel = Some add-ons are installed by other programs. You may be able to uninstall the add-on from the Windows Control Panel: * '''(Windows XP)''': See [http://support.microsoft.com/kb/307895 How to change or remove a program in Windows XP] at Microsoft Support. * '''(Windows 7 and Vista)''': See [http://windows.microsoft.com/en-US/windows-vista/Uninstall-or-change-a-program Uninstall or change a program] at Microsoft.com. {/for} {for win} = Extensions installed by other software = Sometimes installing or updating other software will add an extension which cannot be removed from within the Firefox Add-ons window because its {button Uninstall} button is not functional. The software that added the Firefox extension may include an option to remove it. You should visit the support site of the software provider for more information. As an alternative, simply disable the extension in the Firefox Add-ons window if you no longer wish to use it. To disable the extension, select it, then click on its {button Disable} button. The extension will be disabled after you restart Firefox. {/for} {for win} == Microsoft .NET Framework Assistant == If you have programs that use Microsoft .NET Framework components, a Microsoft update may have installed an extension called '''Microsoft .NET Framework Assistant'''. To remove this extension, follow the instructions in Microsoft's article [http://support.microsoft.com/kb/963707/ How to remove the .NET Framework Assistant for Firefox]. {/for} {for win} == Java Quick Starter == If you have Java software from Sun installed, you may see the '''Java Quick Starter''' extension in your list of extensions. This extension has its {button Uninstall} button disabled. To remove this extension, follow the instructions to disable the Java Quick Starter in [http://www.java.com/en/download/help/quickstarter.xml Sun's Java Quick Starter] article. You may need to close Firefox while executing those instructions. When you restart Firefox, the Java Quick Starter extension will be removed. {/for} <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Uninstalling_add-ons Uninstalling add-ons (mozillaZine KB)]'''''