Hi, You can try to '''Disable''' or '''Remove''' it in '''Tools''' ('''Alt''' + '''T''') > '''Add-ons''' > '''Extensions'''. Alternatively, if the game has a setting in its options you can try that. You may also be able to remove it in the Windows '''Control Panel''' > '''Programs and Features'''. [http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons] [http://kb.mozillazine.org/Uninstalling_toolbars Uninstalling Toolbars] [https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes] [https://support.mozilla.org/en-US/kb/Using%20extensions%20with%20Firefox Extensions]