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WdmCompanionFilter - Windows 10 Service

WDM Companion Filter by Microsoft Corporation.

This service exists in Windows 10 only.

Startup Type

Windows 10 version Home Pro Education Enterprise
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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 for WdmCompanionFilter

Automated Restore

1. Select your Windows 10 edition, 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.