How to Fix adsmsext.dll Missing Error (Solved)

What is adsmsext.dll?

adsmsext.dll is a Dynamic Link Library (DLL) file that is associated with Microsoft’s Windows operating system. It is used by various applications and services to perform specific functions related to the DirectX application programming interface (API). This DLL file helps in handling DirectShow multimedia streaming components, which are essential for playing multimedia files on your Windows system.

Why is adsmsext.dll missing?

The adsmsext.dll error typically occurs when the file is corrupted, deleted, or not found in its expected location. Some common causes include malware infections that may damage system files, accidental deletion of the DLL file during system maintenance, or a problematic software update that removes the required DLL files.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The adsmsext.dll file is related to the Microsoft Visual C++ Redistributable package. To fix the missing error, you can reinstall this package on your system:

1. Visit the official Microsoft Download Center at this link.
2. Download and install the Visual C++ Redistributable package for your specific version of Windows.
3. Restart your computer after installation and check if the adsmsext.dll error persists.

Method 2: Run SFC /scannow command

The System File Checker (SFC) is a built-in Windows tool that scans and repairs corrupted system files. To use this tool, follow these steps:

1. Press the Windows key + X on your keyboard and select “Command Prompt (Admin)” or “PowerShell (Admin)”.
2. In the command prompt window, type `sfc /scannow` and press Enter.
3. The SFC tool will scan your system for errors. After the scanning process is complete, restart your computer and check if the adsmsext.dll error is resolved.

Method 3: Update System Drivers

Outdated or corrupt drivers can also cause issues with system files like adsmsext.dll. To ensure your drivers are up-to-date, follow these steps:

1. Press the Windows key + X on your keyboard and select “Device Manager”.
2. In the Device Manager window, expand the categories to find the device for which you want to update the driver.
3. Right-click on the device and select “Update Driver”. Choose “Search automatically for updated driver software”.
4. Follow the on-screen instructions to complete the driver update process. Repeat this step for all devices as needed.

Conclusion

The adsmsext.dll missing error can be frustrating, but it is often easily resolved by reinstalling the required software package or using system tools like SFC to repair corrupted files. By following the steps outlined in this guide, you should be able to fix the adsmsext.dll error and get back to enjoying your Windows experience.