This is because your computer can not connect to the telnet server due to the type of windows you are running.Or you might just have to turn all telnet servers on by activating it in settings. Although i would not recommend you do this,as the telent service is a target for all hackers and you are Likely to pick up a virus.For more info or help please email me at camerondeal2004@gmail.com or camdeal20042@gamil.com.