The Symantec Endpoint Protection Manager 12.1 RU3 httpd.exe process crashes repeatedly. The following modules are listed as:
Event ID: 1000
Event Description from Application log: Faulting application httpd.exe, version 188.8.131.52, faulting module ntdll.dll, version 5.2.3790.4937, fault address 0x00011952.
ROOT CAUSE: Double-delete of the IO worker corrupted memory over time and eventually causes a crash.
SYMPTOMS: Apache crashes under heavy load.
Issue have been fixed in 12.1 RU4 MP1.
Windows 2003 SP2 64-bit