How to Fix wscinterop.dll Missing Error (Solved)

What is wscinterop.dll?

The wscinterop.dll file is a Dynamic Link Library (DLL) file that is crucial for the proper functioning of Windows applications. This particular DLL file belongs to the Windows Security Center service and helps manage security-related tasks in your system.

Why is wscinterop.dll missing?

There are several reasons why you might encounter a ‘wscinterop.dll’ missing error in Windows, such as:

• Malware infection: Malicious software can corrupt or delete important system files like wscinterop.dll.
• Accidental deletion: Users might accidentally delete this file during the course of their work, leading to the error.

Step-by-Step Fixes

Method 1: Reinstall Visual C++ Redistributable

One possible solution is to reinstall the Visual C++ Redistributable package, which includes the wscinterop.dll file among others.

1. Visit Microsoft’s official download center at this link and choose the appropriate version for your system.
2. Download and run the installer, following the on-screen instructions to complete the installation process.

Method 2: Run SFC /scannow command

You can also use the System File Checker (SFC) tool to scan for and repair missing or corrupted system files, including wscinterop.dll.

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
        

Wait for the process to complete. If any issues are found, the tool will automatically attempt to repair them.

Method 3: Update System Drivers

Outdated drivers can also cause various system errors like the one we’re addressing here. Updating your system drivers may help resolve the issue.

1. Press Windows key + X and choose ‘Device Manager’ from the menu.
2. Navigate to the device whose driver you want to update, right-click on it, and select ‘Update Driver’.
3. Choose ‘Search automatically for updated driver software’ and follow the prompts to complete the update process.

Conclusion

By following the methods outlined above, you should be able to fix the wscinterop.dll missing error in your Windows system. Always ensure that you have a reliable backup of your important files before making any system changes.