bfsvc.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

⚠️ Important Notice: Discover insights into bfsvc.dll function and importance for system processes. Essential for IT professionals. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
File version	10.0.19041.1704
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	274.9 kb.	281448 bytes.

Hashes:

MD5: d9ca61b5624875e3bfae285007e02254 ✅
SHA-1: a16219321123979e5221c2d67cd5c4e1f19a467b
SHA-256: 9c02bf5f3fab04d38e07b3c931723595f8170477dfcc802a4e4da9618b902c17
SHA-512: c33f346331eae9a8b63bcd1061babdc3b4315c795debc90ad9f1e80601330800795b3e8e2a63506c646a2be9e3c33e211f77083d856db357467499fb221f78e0

Digital file signature `bfsvc.dll` ✅

Publisher: Microsoft Corporation
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Apr 26 04:57:40 2022 GMT

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

How to Fix Bfsvc.dll Errors Without Downloading

The bfsvc.dll file is the Boot File Servicing Utility, a legitimate Microsoft Windows system component responsible for updating boot files. If it is missing or corrupted, you should never download it from third-party DLL websites, as these files often contain malware. Instead, fix it using built-in Windows tools.

1. Run SFC (System File Checker)

This tool scans all protected system files and replaces corrupted ones with a cached copy.

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

2. Run DISM (Deployment Image Servicing and Management)

If SFC fails to fix the file, DISM will fetch a healthy copy directly from Windows Update servers.

Open Command Prompt as an administrator.
Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
This process requires an active internet connection.
Restart your PC once completed, then run sfc /scannow one more time.

3. Check for Pending Windows Updates

Since bfsvc.dll is a core Windows component, installing pending system updates often replaces or repairs the file automatically.

Press Windows Key + I to open Settings.
Go to Update & Security (or Windows Update on Windows 11).
Click Check for updates.
Download and install all available updates, then restart your PC.

4. Run Startup Repair

If the error prevents Windows from booting properly, use the Windows Recovery Environment.

Hold the Shift key while clicking Restart in the Windows power menu.
Go to Troubleshoot > Advanced options > Startup Repair.
Select your account and let Windows automatically diagnose and fix boot-related files.

To help pinpoint the exact cause, could you share when this error appears (e.g., during startup, while gaming, or updating)? If you see a specific error code, sharing it will help me provide a more targeted solution.

📊 Diagnostics Tool: Verify Your `bfsvc.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.