TSGateway service crash and period stop running

Please Help 

TSGateway  service period   stop  running 

See  Evnet log   such as :

application Fault name : svchost.exe_TSGateway，version: 6.3.9600.16384，timestamp: 0x5215dfe3
Fault module name : ntdll.dll，version: 6.3.9600.17031，timestamp: 0x530895af
exception code : 0xc0000374
Fault offset : 0x00000000000f8c9c
errop process ID: 0xfc4
application Fault start time: 0x01d1ac2237676a61
Fault application location : C:\Windows\system32\svchost.exe
Fault module location: C:\Windows\SYSTEM32\ntdll.dll