Maintains and improves system performance over time.
This service also exists in Windows 11, 7, 8 and Vista.
Windows 10 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
1507 | Automatic | Automatic | Automatic | Automatic |
1511 | Automatic | Automatic | Automatic | Automatic |
1607 | Automatic | Automatic | Automatic | Automatic |
1703 | Automatic | Automatic | Automatic | Automatic |
1709 | Automatic | Automatic | Automatic | Automatic |
1803 | Automatic | Automatic | Automatic | Automatic |
1809 | Automatic | Automatic | Automatic | Automatic |
1903 | Automatic | Automatic | Automatic | Automatic |
1909 | Automatic | Automatic | Automatic | Automatic |
2004 | Automatic | Automatic | Automatic | Automatic |
20H2 | Automatic | Automatic | Automatic | Automatic |
21H1 | Automatic | Automatic | Automatic | Automatic |
21H2 | Automatic | Automatic | Automatic | Automatic |
22H2 | Automatic | Automatic | Automatic | Automatic |
Display name: | SysMain |
Service name: | SysMain |
Type: | share |
Path: | %WinDir%\system32\svchost.exe -k LocalSystemNetworkRestricted -p |
File: | %WinDir%\system32\sysmain.dll |
Error control: | ignore |
Group: | profsvc_group |
Object: | LocalSystem |
Privileges: |
|
The SysMain service is running as LocalSystem in a shared process of svchost.exe. Other services might run in the same process. If SysMain fails to load or initialize, Windows 10 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.
SysMain is unable to start, if at least one of the following services is stopped or disabled:
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreSysMainWindows10.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 to save changes.
Note. Make sure that the sysmain.dll
file exists in the %WinDir%\system32
folder. If this file is missing you can try to restore it from your Windows 10 installation media.