fwpuclnt.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover details about fwpuclnt.dll, its function in Windows systems, and common issues. Essential for system administrators and tech enthusiasts. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	other	️ Not detected
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	ℹ️ Unverified	File Hash protection is missing.
File size	5.6 kb.	5702 bytes.

Hashes:

MD5: 1bdf5c2882205ed4cd5aab2a8539b834
SHA-1: 3ca66c7b86eb2c9ca0a94af60d4fde3fe7e20097
SHA-256: 9e77afa60f8911c4bfb911f02f3278384b8bea744633581e9efb43f35b99459a
SHA-512: 0cca497d2911258ba4839f80bcb4e7bb4c68a73da6ecc3e71e000ae80828e1442e4127cae52820b96fab238b613969373470c3b3c9fe7641c42938fa14b4b919

How to Fix Fwpuclnt.dll Errors Without Downloading

Fwpuclnt.dll is a critical Windows system file related to the Firewall Platform User API. Downloading this file from third-party websites is unsafe and can introduce malware. Use these built-in Windows tools to fix the error safely.

1. Run SFC and DISM Scans

Windows has built-in tools to find and replace missing or corrupted system files automatically.

Press the Windows Key.
Type cmd.
Right-click Command Prompt.
Select Run as administrator.
Type sfc /scannow and press Enter.
Wait for the scan to finish.
Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Restart your computer.

2. Install Pending Windows Updates

System DLL files are frequently updated and repaired through official Windows updates.

Open Settings (Press Windows Key + I).
Click on Update & Security (or Windows Update on Windows 11).
Click Check for updates.
Install all available updates.
Restart your PC.

3. Use System Restore

If the error started recently, you can roll Windows back to a time when the file worked correctly.

Press the Windows Key.
Type Create a restore point and click it.
Click the System Restore button.
Choose a date before the error started appearing.
Follow the on-screen prompts to finish.

4. Reset Windows Firewall

Since fwpuclnt.dll handles firewall functions, resetting the firewall network stack can resolve corruption.

Open Command Prompt as administrator (see Step 1).
Type netsh advfirewall reset and press Enter.
Type netsh int ip reset and press Enter.
Restart your computer.

📊 Diagnostics Tool: Verify Your `fwpuclnt.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.

Other versions:
️ fwpuclnt.dll 10.0.19041.4123 32-bit (x86) | ️ fwpuclnt.dll 10.0.19041.5915 64-bit (x64)
Similar files:
️fwpuclnt.dll.mui