How to Fix ntdll.dll Missing Error (Solved)

What is ntdll.dll?

ntdll.dll, short for NT Dynamic-Link Library, is a crucial system file in the Microsoft Windows operating system. This dynamic link library file is responsible for providing essential services to other system files and applications. It acts as a bridge between the user mode and kernel mode, enabling various system functions.

Why is ntdll.dll missing?

There are several reasons why ntdll.dll might be missing on your Windows system. The most common causes include malware infections that corrupt or delete system files, accidental deletion by the user, or issues during software installation and uninstallation processes.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

One potential solution to the ntdll.dll missing issue is to reinstall the Visual C++ Redistributable packages. These packages often contain files like ntdll.dll, and reinstalling them may resolve any issues with their integrity:

1. Go to the official Microsoft Download Center at this link.
2. Download and install the appropriate version of Visual C++ Redistributable for your system (32-bit or 64-bit).

Method 2: Run SFC /scannow command

Another method to fix the ntdll.dll missing issue is by using the System File Checker (SFC) tool, which scans your system for corrupted files and replaces them with fresh copies from a reliable source:

1. Press Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin)” from the menu.
2. Type the following command and press Enter:

        sfc /scannow
        

The SFC tool will start scanning your system. Once it’s finished, restart your computer for the changes to take effect.

Method 3: Update System Drivers

Outdated or corrupted drivers can also cause issues with ntdll.dll. Updating your system drivers may help resolve the problem:

1. Press Windows key + X and select “Device Manager” from the menu.
2. Expand the categories, right-click on a device driver, and select “Update Driver.”
3. Choose “Search automatically for updated driver software,” then follow the on-screen instructions to complete the update process.

Conclusion

The ntdll.dll missing issue can cause significant problems with your Windows system, but by following the methods outlined in this guide, you should be able to resolve the problem and restore the functionality of your computer.