How to Fix iertutil.dll Missing Error (Solved)

What is iertutil.dll?

iertutil.dll is a Dynamic Link Library (DLL) file that plays an essential role in the functioning of Windows applications. Specifically, it’s part of Internet Explorer and assists with various tasks related to internet connection settings.

Why is iertutil.dll missing?

There are several reasons why iertutil.dll might be missing from your system, including:

• Malware infection: Malicious software can corrupt or delete DLL files, causing errors such as this.
• Accidental deletion: If a user mistakenly deletes the file, it may not be immediately apparent why an application is no longer functioning correctly.

Step-by-Step Fixes

Method 1: Reinstall Visual C++ Redistributable

The missing iertutil.dll file might be linked to a missing or corrupted Visual C++ Redistributable package. To fix this, follow these steps:

1. Visit the official Microsoft Download Center at https://www.microsoft.com/en-us/download/details.aspx?id=52685.
2. Download the Visual C++ 2015 Redistributable (x64) and run the installer.
3. Reboot your computer if prompted to do so.

Method 2: Run SFC /scannow command

Running the System File Checker (SFC) can help restore missing or corrupted files, including iertutil.dll. Here’s how:

1. Press the Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin).”
2. In the command prompt, type `sfc /scannow` and press Enter.
3. Wait for the process to complete. This may take several minutes.

Method 3: Update System Drivers

Outdated drivers can cause compatibility issues, which might manifest as missing or corrupted DLL files. To update your system drivers:

1. Press the Windows key + X and select “Device Manager” from the menu.
2. Locate the device for which you want to update the driver, right-click it, and select “Update Driver.”
3. Choose “Search automatically for updated driver software” and follow the on-screen instructions.

Conclusion

Missing iertutil.dll files can cause issues with Internet Explorer and other applications that rely on it. By following the methods outlined in this guide, you should be able to resolve the issue and restore normal functionality.