Helps protect users from malware and other potentially unwanted software.
|Windows 8 edition||Windows 8||Windows 8.1||Windows 8.1 Update 1|
|Display name:||Windows Defender Service|
The Windows Defender Service runs as LocalSystem in its own process of MsMpEng.exe. It does not share its process with other services. If Windows Defender Service fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the WinDefend service has failed to start.
Windows Defender Service won't start, if the Remote Procedure Call (RPC) service is stopped or disabled.
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreWindowsDefenderServiceWindows8.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer.
Note. Make sure that the
MsMpEng.exe file exists in the
%ProgramFiles%\Windows Defender folder. If this file is missing you can try to restore it from your Windows 8 installation media.