first question would be the version you are on,srtsp is an autoprotect driver
System terminates unexpectedly with error 0x00000044
Fix ID: 3387614
Symptom: A crash (BSOD) with Bugcheck 44 references SRTSP64.SYS.
Solution: Modified the Auto-Protect driver to prevent an opportunistic lock (oplock) issue on Windows Vista and earlier operating systems.
http://www.symantec.com/business/support/index?page=content&id=TECH216262