What is "Microsoft Forefront Client Security Antimalware Service" in my Windows 7 service list? And how is "Microsoft Forefront Client Security Antimalware Service" service related to MsMpEng.exe?

"Microsoft Forefront Client Security Antimalware Service" is a Windows 7 service that "Helps protect users from spyware and other potentially unwanted software" "Microsoft Forefront Client Security Antimalware Service" service is provided by MsMpEng.exe EXE file.

Detailed information on "Microsoft Forefront Client Security Antimalware Service" service:

Service name: FCSAM
Display name: Microsoft Forefront Client Security Antimalware Service
Execution command: 
   c:\Program Files\Microsoft Forefront\Client Security\Client\Antimalware\MsMpEng.exe
Start type: Automatic
Service status: Started
Dependencies:
   Remote Procedure Call (RPC)

"Microsoft Forefront Client Security Antimalware Service" service is provided by an EXE file called: MsMpEng.exe:

Name: MsMpEng.exe
Location: C:\Program Files\Microsoft Forefront\Client Security\Client\Antimalware\MsMpEng.exe
Description: Service Executable
File version: 1.5.1996.0
Size: 16.5 KB (16,896 bytes)
Modified: Saturday, January 08, 2011, 5:06:56 PM
Product name: Microsoft Malware Protection
Vendor: Microsoft Corporation

Disabling "Microsoft Forefront Client Security Antimalware Service" service should not cause any issues when running Windows 7 system.

⇒ "Microsoft Forefront Client Security State Assessment Service - FcsSas.exe" Service on Windows 7

⇐ "Microsoft .NET Framework NGEN v4.0.30319_X86 - mscorsvw.exe" Service on Windows 7

⇑ Application Services on Windows 7

⇑⇑ Windows 7 Services Tutorials