keyboardfiltermanager.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Manage keyboard settings with Keyboard Filter Manager DLL. Quickly configure keyboard behaviors and filters. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
File version	10.0.19041.4355
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	In file hash protection exist and it is verified.
File size	61.5 kb.	62976 bytes.

Hashes:

MD5: 48289aeddd5fe5474ebcce0c84fbe690 ✅
SHA-1: 3cf2ba1a5e2c887205367b283c3d302e4521185f
SHA-256: b02d38d36ad8060ccb50e47d4a394f6f1a6dc3ae89f4af1d0e647291bb0e79ee
SHA-512: 95913dfd2df6c3dbac5d6af1bd2b23dda37a6f284f806c30aeba80a3cb3844f713bb57d4ccefe06c66f813bcfc2b6672878ae5236818f73c4943d5aa10933c39

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

Direct Answer

The keyboardfiltermanager.dll file is a Microsoft Windows component related to Device Lockdown features, typically located in the System32 directory, and errors can be fixed without downloading files by using native system repair tools.

File Description

Name: Keyboard Filter Manager.
Type: Dynamic Link Library (DLL).
Function: Controls the Keyboard Filter feature.
Purpose: Blocks undesirable key combinations (e.g., Ctrl+Alt+Del).
Context: Used mainly in Windows Embedded, IoT, or Enterprise lockdown scenarios.

Standard File Location

Primary Path: C:\Windows\System32\keyboardfiltermanager.dll
SysWOW64 Path: C:\Windows\SysWOW64\keyboardfiltermanager.dll (on 64-bit systems for 32-bit compatibility).

How to Fix Errors Without Downloading

1. Run SFC (System File Checker)

Open Start.
Type cmd.
Right-click Command Prompt.
Select Run as administrator.
Type sfc /scannow.
Press Enter.
Wait for the scan to finish.
Restart your computer.

2. Run DISM (Deployment Image Servicing and Management)

Open Command Prompt as administrator.
Type DISM /Online /Cleanup-Image /RestoreHealth.
Press Enter.
Allow the tool to repair system images.
Restart your PC.

3. Re-register the DLL File

Open Command Prompt as administrator.
Type regsvr32 /u keyboardfiltermanager.dll to unregister.
Press Enter.
Type regsvr32 keyboardfiltermanager.dll to re-register.
Press Enter.

4. Enable/Disable Keyboard Filter Feature

Open Control Panel.
Click Programs and Features.
Click Turn Windows features on or off.
Expand Device Lockdown.
Check or uncheck Keyboard Filter.
Click OK and restart.

To help pinpoint the exact solution, please let me know:

What is the exact error message or code you see?
Which Windows version (e.g., Home, Pro, Enterprise, IoT) are you running?
When does this error typically pop up?

📊 Diagnostics Tool: Verify Your `keyboardfiltermanager.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.