WdmCompanionFilter Service Defaults in Windows 10
WDM Companion Filter by Microsoft Corporation.
The WdmCompanionFilter service does not exist in:
- Windows 10 Home 1507
- Windows 10 Pro 1507
- Windows 10 Education 1507
- Windows 10 Enterprise 1507
- Windows 10 Home 1511
- Windows 10 Pro 1511
- Windows 10 Education 1511
- Windows 10 Enterprise 1511
- Windows 10 Home 1607
- Windows 10 Pro 1607
- Windows 10 Education 1607
- Windows 10 Enterprise 1607
- Windows 10 Home 1703
- Windows 10 Pro 1703
- Windows 10 Education 1703
- Windows 10 Enterprise 1703
- Windows 10 Home 1709
- Windows 10 Pro 1709
- Windows 10 Education 1709
- Windows 10 Enterprise 1709
Default Settings
| Startup type: | Manual |
| Display name: | WdmCompanionFilter |
| Service name: | WdmCompanionFilter |
| Service type: | kernel |
| Error control: | normal |
| Group: | base |
| Path: | %SystemRoot%\system32\drivers\WdmCompanionFilter.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WdmCompanionFilter |
Default Behavior
WdmCompanionFilter is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If WdmCompanionFilter fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the WdmCompanionFilter service has failed to start due to the error.
Restore Default Startup Configuration of WdmCompanionFilter
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config WdmCompanionFilter start= demand
3. Close the command window and restart the computer.
The WdmCompanionFilter service is using the WdmCompanionFilter.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.