WnCSMServer.exe
(AT&T WorldNet)
Background task seen on PCs which connect to the AT&T WorldNet Internet service and which use the AT&T provided dialler. WNCSMSERVER is a module which gets installed with the AT&T dialler and which interfaces with the AT&T WorldNet Registration Servers for user logins (Login ID, Password) and which also downloads new AT&T Access Numbers.
Recommendation :
Essential to the proper operation of the AT&T dialler leave alone.