If you read [[Uninstalling add-ons|Uninstalling add-ons]], you can see how to remove any unneeded or unwanted add-ons and toolbars. Babylon also can sit inside your add and remove programs. Open up your Control Panel, then Programs and Features, find Babylon inside the list there, and uninstall it. Also Download and Install MalwareBytes Anti-Malware, run a full Scan. [http://www.malwarebytes.org/ http://www.malwarebytes.org/] Download and Run TDSSKiller [http://support.kaspersky.com/faq/?qid=208283363 http://support.kaspersky.com/faq/?qid=208283363] Double check for all Windows Updates. After that, Babylon should be gone and you can update Firefox. Also, update Flash as well, as there was a major security update that came out yesterday. [http://www.mozilla.org/plugincheck/ http://www.mozilla.org/plugincheck/]