Identifies files created by authorized installers.
This service also exists in Windows 10.
Windows 11 version | Home | Pro | Education | Enterprise |
---|---|---|---|---|
21H2 | Manual | Manual | Manual | Manual |
22H2 | Manual | Manual | Manual | Manual |
23H2 | Manual | Manual | Manual | Manual |
Display name: | Smartlocker Filter Driver |
Service name: | applockerfltr |
Type: | kernel |
Path: | %WinDir%\system32\drivers\applockerfltr.sys |
Error control: | normal |
The Smartlocker Filter Driver service is a kernel mode driver. If Smartlocker Filter Driver fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the applockerfltr service has failed to start.
Smartlocker Filter Driver is unable to start, if at least one of the following services is stopped or disabled:
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreSmartlockerFilterDriverWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the applockerfltr.sys
file exists in the %WinDir%\system32\drivers
folder. If this file is missing you can try to restore it from your Windows 11 installation media.