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Download and Fix usbport.sys.mui

Sometimes Windows system displays error messages regarding corrupted or missing usbport.sys.mui files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent usbport.sys.mui file can therefore effect in failed execution of the started process.

usbport.sys.mui file USB 1.1 & 2.0 Port Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of usbport.sys.mui related errors on your device. You can also download usbport.sys.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7

File info

General information
Filename usbport.sys.mui
File extension MUI
Description USB 1.1 & 2.0 Port Driver
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
usbport.sys.mui

There are various types of errors related to usbport.sys.mui file. usbport.sys.mui file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to usbport.sys.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

  • usbport.sys.mui is corrupted
  • usbport.sys.mui cannot be located
  • Runtime Error - usbport.sys.mui
  • usbport.sys.mui file error
  • usbport.sys.mui file cannot be loaded. Module was not found
  • cannot register usbport.sys.mui file:
  • usbport.sys.mui file could not be loaded
  • usbport.sys.mui file doesn't exist

usbport.sys.mui

Error

Application could not be started because usbport.sys.mui file is missing. Reinstall the application to solve the problem.

OK

Problems related to usbport.sys.mui can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing usbport.sys.mui file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

usbport.sys.mui file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with usbport.sys.mui file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to usbport.sys.mui file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of usbport.sys.mui or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to usbport.sys.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the usbport.sys.mui file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the usbport.sys.mui file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the usbport.sys.mui file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace usbport.sys.mui file

The last solution is to manually download and replace usbport.sys.mui file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded usbport.sys.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of usbport.sys.mui file example directory paths.

  • Windows 10: C:\Windows\System32\drivers\en-US\
  • Windows 8.1: C:\Windows\System32\drivers\en-US\
  • Windows 8: 1: C:\Windows\System32\drivers\en-US\
  • Windows 7: C:\Windows\System32\drivers\en-US\

If the steps did not solve your usbport.sys.mui file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename usbport.sys.mui
System Windows 10
File size 26624 bytes
Date 2017-03-18
File details
MD5 ca879854418a2f724cacc93d2db896a7
SHA1 2f7c35092b222458b78624fbf420aaeb4cc84cfd
SHA256 7c39eef76bd16ef70b8587086cf938e22a7451b386580e4b911b224ac7c6453b
CRC32 31246319
Example file location C:\Windows\System32\drivers\en-US\
Filename usbport.sys.mui
System Windows 8.1
File size 26112 bytes
Date 2014-11-21
File details
MD5 d23e6b1cad00f60cca8f12e49d3e91c0
SHA1 2f0c48e697a6bb51a702cc112db2bd9c8ffb5921
SHA256 b8762437386426cdb3c3d0d4d2c2ae284e5c31cd235dab1c46a67da98d626138
CRC32 6219de11
Example file location C:\Windows\System32\drivers\en-US\
Filename usbport.sys.mui
System Windows 8
File size 26112 bytes
Date 2012-07-26
File details
MD5 258bbf24cece98e8ac991e89b5fae0da
SHA1 8143739d5f99c07ec9e7ace2144af114eb9e1a3b
SHA256 1e5c2811fd673f1235a163a094aba7ac41d74caee94d238d7267edc2960f7588
CRC32 6d97771d
Example file location 1: C:\Windows\System32\drivers\en-US\
Filename usbport.sys.mui
System Windows 7
File size 24576 bytes
Date 2011-04-12
File details
MD5 dc9385d41849d0d7e357b34e3c157b52
SHA1 e74c3d660779e9c8298bbfe4360876ef36b2a2a2
SHA256 dcc7747903a9faeef95e3b13e32b569bd99fafffb4e1e728306d81c94c56e7ff
CRC32 573a4f9f
Example file location C:\Windows\System32\drivers\en-US\