Try this...
Start
> Run
> type
Services.msc
A windows should open up if you type it correctly. On the left pane you should see a list of services. Go down to
Telnet and right-click it. Click properties so that a new windows opens. Look for something that says
"Startup Type" and change it to
disabled. Now look at the services status on the bottom of that windows and click disable. now backtrack by clicking OK/Apply then your all done
