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

by





How to Fix usbperf.dll Missing Error (Solved)

How to Fix usbperf.dll Missing Error (Solved)

What is usbperf.dll?

usbperf.dll short for USB Performance library DLL is a crucial component of Windows operating system. It belongs to the category of Dynamic Link Library files (DLLs) which are essential for executing various functions within the system. Specifically usbperf.dll helps manage and optimize the performance of USB devices in your computer.

Why is usbperf.dll missing?

The absence of usbperf.dll could be due to several reasons such as:

  • Malware infection: Malicious software may intentionally delete or corrupt system files like usbperf.dll.
  • Accidental deletion: Users might accidentally remove the file during cleanup operations thinking it to be unnecessary or temporary.
  • System corruption: In certain cases a system crash or improper shutdown can lead to file loss including usbperf.dll.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The missing usbperf.dll error can occur when the associated Visual C++ Redistributable package is not properly installed or has become corrupted. To resolve this you should reinstall the necessary packages.

  • Download the latest version of Visual C++ Redistributable from Microsoft’s official website.
  • Run the downloaded installer file and follow the on-screen instructions to complete the installation process.

Method 2: Run SFC /scannow command

The System File Checker (SFC) is a built-in Windows tool that scans for and repairs corrupted system files including usbperf.dll. To use it:

  • Open Command Prompt as an administrator.
  • Type the following command and press Enter:

    • “`
    sfc /scannow
    “`

  • Follow the prompts to allow the scan and repair process to complete. Restart your computer when prompted.

Method 3: Update System Drivers

Outdated or faulty drivers can also cause issues with system files like usbperf.dll. To update drivers:

  • Press Windows key + X and select Device Manager from the list.
  • Expand the USB controllers category right-click on your USB root hub device and choose Update Driver.
  • Select Search automatically for updated driver software and follow the prompts to complete the update process.

Conclusion

The usbperf.dll missing error can be resolved by reinstalling Visual C++ Redistributable running the SFC /scannow command and updating system drivers. By following these steps you should be able to restore the functionality of your USB devices in Windows.

Leave a Comment