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iusb3mon.exe - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description


Creation date: 11.05.2017 14:15:40
File version: 5.0.4.43
Antivirus scan: ✅ OK
Category: Driver Support
File size: 292.5 kb.
Architecture: 32-bit (x86)
✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature iusb3mon.exe

Publisher: Intel Corporation
Issuer: Intel External Basic Issuing CA 3B
Encryption algorithm: SHA1
Time stamp: May 11 12:23:31 2017 GMT

iusb3mon.exe is a type of executable file used in Windows systems. It serves as part of the Intel(R) USB 3.0 eXtensible Host Controller Driver, which manages and controls USB 3.0 ports on your computer.

MD5: d9da258d87101fb165cd321862358077
SHA-1: 99a11e359a6aa01807e6bdbcc2e9029d60d6f682
SHA-256: c14dc6c5c922ddd5db5054f8b67b39cde86ff774e943b84e90d2e59557add435

Where it is used

This file plays a crucial role in ensuring the proper functioning of USB 3.0 devices and ports on your system. It helps in managing device connections, transfers data between the computer and external USB 3.0 devices, and ensures that these devices operate smoothly.

Errors related to iusb3mon.exe

Error: "iusb3mon.exe not found" or "missing iusb3mon.exe" can occur when the file is missing, corrupted, or deleted. This error might prevent USB 3.0 devices from functioning correctly.

File security

The provided characteristics indicate that iusb3mon.exe is a legitimate system file, not a virus or malware. However, any executable file can pose risks if tampered with or downloaded from untrusted sources. Always ensure you download files only from official Intel websites to avoid security issues.

The application iusb3mon.exe was unable to start correctly
iusb3mon.exe - Application Error If your file was infected with a virus, you can download the original file and replace it.
Also you can: Try to press Win+R then enter sfc /scannow
after try: DISM /Online /Cleanup-Image /RestoreHealth

How to fix errors

To resolve "iusb3mon.exe not found" or missing iusb3mon.exe errors:

  • Reinstall the program: Sometimes, simply reinstalling the Intel USB 3.0 eXtensible Host Controller Driver can fix these issues.
  • Update Windows: Ensure your operating system is up-to-date to avoid compatibility issues with iusb3mon.exe.
  • Manually replace iusb3mon.exe:
    1. exe from an official Intel website or the original installation package.
    2. Extract the file to a temporary location.
    3. Delete the existing iusb3mon.exe file in your system files directory (use with caution).
    4. Paste the new version of iusb3mon.exe into the appropriate folder, replacing the old one.

FAQ

Q: Why is iusb3mon.exe important?
A: It ensures that USB 3.0 devices work efficiently and securely on your system.

Q: How can I check if my iusb3mon.exe file is legitimate?
A: Verify its digital signature or download it from official Intel sources to ensure it's not tampered with.

Conclusion

iusb3mon.exe is a crucial component for managing USB 3.0 functionality on Windows systems. If you encounter issues, the steps outlined above can help resolve them.


What is iusb3mon.exe?

The file iusb3mon.exe stands for Intel USB 3.0 Monitor. It is a legitimate software component developed by Intel. This background process monitors USB 3.0 ports and ensures that connected devices work correctly with the Intel USB 3.0 Host Controller Hub.

Standard File Location

The genuine file is always located in a subfolder of C:\Program Files.

  • Standard Path: C:\Program Files\Intel\Intel(R) USB 3.0 eXtensible Host Controller Driver\Application\iusb3mon.exe

Safety Check: If this file is found in C:\Windows or C:\Windows\System32, it may be malware or a virus disguised under the same name.

How to Fix iusb3mon.exe Errors (Without Downloading Anything)

If you are experiencing system crashes, high CPU usage, or error pop-ups related to this file, you can fix it using built-in Windows tools.

Method 1: End the Process and Restart Windows

Sometimes the process simply encounters a temporary glitch.

  1. Press Ctrl + Shift + Esc to open Task Manager.
  2. Look for Intel(R) USB 3.0 Monitor (or iusb3mon.exe) under the "Processes" tab.
  3. Right-click it and select End Task.
  4. Restart your computer to let Windows launch a fresh instance of the process.

Method 2: Reinstall the Driver via Device Manager

Windows keeps a local cache of drivers. You can force Windows to reinstall the controller without downloading external files.

  1. Right-click the Start menu and select Device Manager.
  2. Scroll down and expand the Universal Serial Bus controllers section.
  3. Find Intel(R) USB 3.0 eXtensible Host Controller.
  4. Right-click it and select Uninstall device.
  5. Do not check the box that says "Delete the driver software for this device" if prompted.
  6. Click Uninstall.
  7. Restart your computer. Windows will automatically detect the hardware and reinstall the local driver copy.

Method 3: Run the System File Checker (SFC)

If the file itself is corrupted, the Windows system image utility can repair it.

  1. Type cmd in the Windows search bar.
  2. Right-click Command Prompt and choose Run as administrator.
  3. Type the following command and press Enter: sfc /scannow
  4. Wait for the verification to reach 100%. If corruption is found, Windows will automatically repair it using internal backups.

Method 4: Disable the Startup Item

If the error persists and you do not notice any loss in USB functionality, you can safely stop the monitor from launching when your PC boots.

  1. Open Task Manager (Ctrl + Shift + Esc).
  2. Click on the Startup apps tab (or Startup tab in older Windows versions).
  3. Find iusb3mon or Intel(R) USB 3.0 Monitor.
  4. Right-click it and select Disable.

Similar files:
️iusb3mon.dll
Intel Corporation