Fix Iusb3mon.dll is missing from your Windows computer error

The file iusb3mon.dll is an important file in Intel USB 3.0 monitor or other programs related to it. If you are seeing an error message that iusb3mon.dll is missing from your computer, re-register it or reinstall the program, then in this guide, we show you ways to fix it.

The Intel USB 3.0 Monitor (iusb3mon.exe) in the USB 3.0 eXtensible Host Controller Driver is a background Windows OS Service that monitors the Plug and Play status of all USB ports and generates pop-up event notifications. For Intel USB 3.0 Monitor and other programs related to it to work properly, iusb3mon.dll is crucial. If it is missing from your computer, then the programs that need it may go haywire or stop working. Let’s see how we can fix the error.

iusb3mon.dll is missing from your computer

iusb3mon.dll is missing

The common errors we see regarding iusb3mon.dll are:

  • iusb3mon.dll is missing
  • iusb3mon.dll error loading
  • iusb3mon.dll crashed
  • iusb3mon.dll was not found
  • iusb3mon.dll could not be located
  • iusb3mon.dll Access Violation
  • The procedure entry point iusb3mon.dll error
  • Cannot find iusb3mon.dll
  • Cannot register iusb3mon.dll

These are the fixes that can help you in fixing iusb3mon.dll errors easily.

  1. Re-register the iusb3mon.dll file
  2. Check for Driver Updates
  3. Scan your PC for malware
  4. Reinstall Intel USB 3.0 eXtensible Host Controller Driver
  5. Perform System Restore.

Let’s see each fix in detail.

1] Re-register the iusb3mon.dll file

The simple fix for iusb3mon.dll that is missing from your computer is to re-register it. You have to copy/paste the DLL file into the C:WindowsSystem32 folder and then register it.

Related: How to fix Missing DLL files errors.

2] Check for Driver Updates

Another way to fix the iusbmon.dll missing error is to update the drivers related to it. Since system updates do the process of updating drivers too, check for Driver and Optional Updates to your Windows and install them. You can check for updates in the Settings app.

Related: Fix iusb3mon.exe system or application error on Windows computer.

3] Scan your PC for malware

There are huge chances that malware might be the possible reason for the error. To fix it, scan your PC with antivirus and anti-malware programs. If they find any traces of malware or any such issues, the programs fix them automatically and show you a report.

4] Reinstall Intel USB 3.0 eXtensible Host Controller Driver

Another simple way to fix the iusbmon.dll is missing error is to uninstall the Intel® USB 3.0 eXtensible Host Controller Driver from your PC and reinstalling it.

The driver is available for download here at

5] Perform System Restore

The final fix for the iusb3mon.dll is to restore your Windows when everything was working fine without the iusb3mon.dll error.

This way you can fix the error and get your PC back to normal.

Your issue with iusb3mon.dll should be fixed by now. If you have any doubts or suggestions, do let us know in the comments section.

Read: Failed to load DLL file on Windows 10 computer.

iusb3mon.dll is missing

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MORRIS is an impassioned technology writer. He always inspires technologists with his innovative thinking and practical approach. A go-to personality for every Technical problem, no doubt, the chief problem-solver!

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