How to Fix AuthFWSnapin.dll Missing Error (Solved)
What is AuthFWSnapin.dll?
AuthFWSnapin.dll, short for Authentication Framework Snap-In DLL, is a Dynamic Link Library file in Windows operating systems. This critical system file is associated with the Authentication Manager service and provides an interface for managing authentication methods on a local or remote computer.
Why is AuthFWSnapin.dll missing?
The AuthFWSnapin.dll error can occur due to various reasons, including malware infections that delete or corrupt system files, accidental deletion during manual uninstallations of related software, or system updates that fail to copy the file correctly.
Step-by-Step Fixes:
Method 1: Reinstall Visual C++ Redistributable
AuthFWSnapin.dll is part of the Visual C++ Redistributable package. To resolve the missing issue, reinstalling this package may help:
- Visit the official Microsoft Download Center at this link.
- Download and install the Visual C++ Redistributable package for your specific system architecture (x64 or x86).
Method 2: Run SFC /scannow command
System File Checker (SFC) is a built-in Windows utility that scans for and repairs missing or corrupted system files. To run the SFC command:
- Press the Windows key + X, then select “Command Prompt (Admin)” from the menu.
- Type `sfc /scannow` and press Enter.
- Follow the on-screen instructions to complete the process.
Method 3: Update System Drivers
Outdated drivers can sometimes cause issues with system files like AuthFWSnapin.dll. To update your system drivers:
- Press the Windows key + X, then select “Device Manager” from the menu.
- Expand the affected device category (e.g., Network adapters).
- Right-click on the device and select “Update driver.”
- Choose “Search automatically for updated driver software” and follow the on-screen instructions.
Conclusion
By following the methods outlined in this guide, you should be able to resolve the AuthFWSnapin.dll missing error in Windows. If the issue persists, consider seeking further assistance from a professional technician or contacting Microsoft Support.