How to Fix tcpmonui.dll Missing Error – Step by Step

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How to Fix tcpmonui.dll Missing Error (Solved)

How to Fix tcpmonui.dll Missing Error (Solved)

What is tcpmonui.dll?

tcpmonui.dll is a Dynamic Link Library (DLL) file that contains code and resources used by various Windows applications. This particular DLL file is associated with the TcpMon UI application which monitors TCP connections and provides network statistics.

Why is tcpmonui.dll missing?

The tcpmonui.dll error can occur due to several reasons such as malware infections that delete system files accidental deletion during system maintenance or issues with software updates and installations.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The missing tcpmonui.dll file might be caused by an issue with the Visual C++ Redistributable package. To resolve this you can reinstall the package as follows:

  1. Visit the official Microsoft Download Center at https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads.
  2. Download and run the Visual C++ Redistributable package that corresponds to your system’s architecture (x86 for 32-bit systems x64 for 64-bit systems).
  3. Follow the on-screen instructions to complete the installation.

Method 2: Run SFC /scannow command

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

  1. Press the Windows key + X on your keyboard and select “Command Prompt (Admin)” or “PowerShell (Admin)” from the menu.
  2. In the command prompt type the following command and press Enter:
sfc /scannow

The SFC utility will start scanning your system for any corrupted files. Once it’s finished restart your computer to apply the repairs.

Method 3: Update System Drivers

Outdated drivers can sometimes cause issues with DLL files. To ensure that your system drivers are up-to-date follow these steps:

  1. Press the Windows key + X on your keyboard and select “Device Manager” from the menu.
  2. In the Device Manager window find the category for the device whose driver you want to update (e.g. Network Adapters).
  3. Right-click the device and select “Update Driver”.
  4. Follow the on-screen instructions to search for and install updates.

Conclusion

By following the methods outlined in this guide you should be able to fix the tcpmonui.dll missing error on your Windows computer. If none of these solutions work it’s possible that your issue is specific to a particular application and may require additional troubleshooting.

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