WdmCompanionFilter - Windows 10 Service
WDM Companion Filter by Microsoft Corporation.
This service also exists in Windows 11.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | not exists | not exists | not exists | not exists |
| 1511 | not exists | not exists | not exists | not exists |
| 1607 | not exists | not exists | not exists | not exists |
| 1703 | not exists | not exists | not exists | not exists |
| 1709 | not exists | not exists | not exists | not exists |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | WdmCompanionFilter |
| Service name: | WdmCompanionFilter |
| Type: | kernel |
| Path: | %WinDir%\system32\drivers\WdmCompanionFilter.sys |
| Error control: | normal |
| Group: | base |
Default Behavior
The WdmCompanionFilter service is a kernel mode driver. If WdmCompanionFilter fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the WdmCompanionFilter service has failed to start.
Restore Default Startup Type of WdmCompanionFilter
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreWdmCompanionFilterWindows10.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 WdmCompanionFilter.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.