wofutil.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover how wofutil.dll enhances Windows functionality. Essential for system optimization and compatibility. 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	555 bytes.	555 bytes.

Hashes:

MD5: 9ff97edf2d835650ad6a8be7d0257391
SHA-1: ac3496150580ae05a2c6a4ef5b73412b10646089
SHA-256: 5dd326d587163562b4830fbbfaa2900cae309c6172b2caa96a81a8b94b407b5d
SHA-512: 5984e569a391ce6bc2465105a3b7aa09a8038ebf491b7a01d592a2d525d7e4061d0c798f2a4a038a6f5edb602d56768ce7b5449ddcf215f05fe0d5ffa56d0425

To fix the wofutil.dll error without downloading files from third-party websites, you need to repair your existing Windows system files. The wofutil.dll file is a legitimate Microsoft Windows component responsible for the Windows Overlay Filter.

Here is how to fix it safely using built-in Windows tools.

1. Run the SFC Scan

The System File Checker (SFC) scans all protected system files and replaces corrupted ones with a cached copy.

Open the Start Menu.
Type cmd.
Right-click Command Prompt and choose Run as administrator.
Type sfc /scannow and press Enter.
Wait for the scan to finish and restart your computer.

2. Run the DISM Tool

If SFC cannot fix the file, the Deployment Image Servicing and Management (DISM) tool will restore system health using Windows Update resources.

Open Command Prompt as administrator.
Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Allow the process to complete (it may take several minutes) and restart your PC.

3. Check for Windows Updates

Installing pending Windows updates can automatically replace missing or broken system DLLs.

Press Windows Key + I to open Settings.
Go to Update & Security (or Windows Update on Windows 11).
Click Check for updates.
Install all available updates and restart your device.

4. Perform a System Restore

If the error started happening recently, you can roll your system back to a time when it worked perfectly.

Type Create a restore point in the Windows search bar and click it.
Click the System Restore button.
Choose a date before the error started appearing.
Follow the on-screen prompts to complete the restoration.

To give you the most accurate advice, please let me know:

What specific error message or code is showing up on your screen?
Does this error happen when you boot up Windows or when you launch a specific app?

📊 Diagnostics Tool: Verify Your `wofutil.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:
️ wofutil.dll 10.0.19041.5438 32-bit (x86) | ️ wofutil.dll 10.0.19041.5438 64-bit (x64)