43b7af74_vices_List___Overclockers_Club__Notes
[Service Name] NT LM Security Support Provider [Recommended Setting] Disable [Notes] 
As far as I know, you only need this service if you are running a telnet server. If anyone has any other information about this service, please email me and let me know. Thanks! Note: This service is used by Microsoft Message Queueing (MSMQ) for doing development using message queueing or running applications that uses it. If this applies to you, then you should not touch this service.
Windows XP Services Removal Guide » Page 2 - Windows Services List - Overclockers Club
Notes