Windows Cloud Files Filter Driver - Windows 11 Service
This service also exists in Windows 10.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | Automatic | Automatic | Automatic | Automatic |
| 22H2 | Automatic | Automatic | Automatic | Automatic |
| 23H2 | Automatic | Automatic | Automatic | Automatic |
| 24H2 | Automatic | Automatic | Automatic | Automatic |
Default Properties
| Display name: | Windows Cloud Files Filter Driver |
| Service name: | CldFlt |
| Type: | filesys |
| Path: | %WinDir%\system32\drivers\cldflt.sys |
| Error control: | normal |
| Group: | FSFilter HSM |
Default Behavior
The Windows Cloud Files Filter Driver service is a file system driver. If Windows Cloud Files Filter Driver fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the CldFlt service has failed to start.
Dependencies
Windows Cloud Files Filter Driver is unable to start, if the FltMgr service is stopped or disabled.
Restore Default Startup Type for Windows Cloud Files Filter Driver
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsCloudFilesFilterDriverWindows11.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 cldflt.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.