Remove PUP.Optional.FFInjectExt Completely

Remove PUP.Optional.FFInjectExt from Internet Explorer : Take Down PUP.Optional.FFInjectExt PUP.Optional.FFInjectExt is responsible for causing these errors too! 0x000000CF, 0x80240042 WU_E_UNKNOWN_SERVICE The update service is no longer registered with AU., 0x80240017 WU_E_NOT_APPLICABLE Operation was not performed because there are no applicable updates., 0x00000103, 0x8024400A WU_E_PT_SOAPCLIENT_PARSE Same as SOAPCLIENT_PARSE_ERROR – SOAP client