What is "McAfee Personal Firewall Service" in my Windows 7 service list? And how is "McAfee Personal Firewall Service" service related to McSvHost.exe?

"McAfee Personal Firewall Service" is a Windows 7 service that helps protect your computer from intrusion and let's you manage your computer's trusted programs. "McAfee Personal Firewall Service" service is provided by McSvHost.exe program file.

Detailed information on "McAfee Personal Firewall Service" service:

Service name: McMPFSvc
Display name: McAfee Personal Firewall Service
Execution command: "C:\Program Files\Common Files\McAfee\Platform\McSvcHost\McSvHost.exe" /McCoreSvc
Dependencies: {RpcSs, MfeFire, MpsSvc}

"McAfee Personal Firewall Service" service is provided by a program called: McSvHost.exe:

Name: McSvHost.exe
Location: C:\Program Files\Common Files\McAfee\Platform\McSvcHost\McSvHost.exe
Description: McAfee Service Host
File version: 6,0,2044,0
Size: 603752 bytes
Modified: 10/14/2016 4:48:34 PM UTC

Disabling "McAfee Personal Firewall Service" service should not cause any issues when running Windows 7 system.

⇒ "McAfee VirusScan Announcer - McSvHost.exe" Service on Windows 7

⇐ "McAfee CSP Service - McCSPServiceHost.exe" Service on Windows 7

⇑ Application Services on Windows 7

⇑⇑ Windows 7 Services Tutorials