winusb.sys - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing winusb.sys 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 winusb.sys file can therefore effect in failed execution of the started process.

winusb.sys file Windows WinUSB Class 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 winusb.sys related errors on your device. You can also download winusb.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

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

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download winusb.sys

4.1 List of winusb.sys file versions

File info

General information
Filename	winusb.sys
File extension	SYS
Description	Windows WinUSB Class 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.)

Most common winusb.sys file related problems

There are various types of errors related to winusb.sys file. winusb.sys 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 winusb.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

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

winusb.sys

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

Problems related to winusb.sys 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 winusb.sys 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.

How to fix winusb.sys errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

winusb.sys 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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with winusb.sys 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.

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

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 winusb.sys 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 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 winusb.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the winusb.sys file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

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

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

If all the above-mentioned methods failed and the winusb.sys 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 winusb.sys file

The last solution is to manually download and replace winusb.sys 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 winusb.sys file.

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

Windows 10: C:\Windows\System32\drivers\
Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\winusb.inf_x86_992441499fed1d4f\
Windows 8: 1: C:\Windows\System32\DriverStore\FileRepository\winusb.inf_x86_992441499fed1d4f\
Windows 7: ---
Windows Vista: ---
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your winusb.sys 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 winusb.sys

System Windows 10

File size 66048 bytes

Date 2017-03-18

Download

File details
	MD5	6fbcf5ed2a937d2cc532363b930323ce
	SHA1	3bdc0c073a14139cc3db3e0e1956bfeda2bb4ae1
	SHA256	9e4336ae4bbcecdf3f64a3c9db72acea6d40eb936353c11424bf7535a57ef2a4
	CRC32	55257aa6
	Example file location	C:\Windows\System32\drivers\

Filename winusb.sys

System Windows 8.1

File size 64000 bytes

Date 2013-08-22

Download

File details
	MD5	7683debe4329ef289bc2b1fc709ed629
	SHA1	bb52398a8932b1c9562e00db690d91eb11e1c3a8
	SHA256	f4353ff4e52457058fae64b9ebae59563d1e60e8d4cc2c1ef04cc4c3e9c03c78
	CRC32	5b72a732
	Example file location	C:\Windows\System32\DriverStore\FileRepository\winusb.inf_x86_992441499fed1d4f\

Filename winusb.sys

System Windows 8

File size 46592 bytes

Date 2012-07-26

Download

File details
	MD5	30122927052480564db0695b0ceade62
	SHA1	71f0980d8d9f7ac5634f45718fdeca202cf3a09b
	SHA256	46731bceddf89e35808f0c4070f0fb34ae382e7d4a76fa4435340c5fe3931f09
	CRC32	7615b44e
	Example file location	1: C:\Windows\System32\DriverStore\FileRepository\winusb.inf_x86_992441499fed1d4f\

Filename winusb.sys

System Windows 7

File size 41984 bytes

Date 2010-11-21

Download

File details
	MD5	fe88b288356e7b47b74b13372add906d
	SHA1	789b9a9dce670656d90509d79d654a9d28be6d17
	SHA256	a16b166f6bb32ef9d2a142f27b9ec54cbc7b3ac915799783cf4c40e525bc9e03
	CRC32	b2bf379b
	Example file location	---

Filename winusb.sys

System Windows Vista

File size 36864 bytes

Date -0001-11-30

Download

File details
	MD5	2215b7b794b3b7e5cc9fc423e985e2aa
	SHA1	37f63373a474427e9ce9151fb003861258a5bf67
	SHA256	2dd0d42f0849da46f202f047f3e6e72000aa09fb608be7078b27685bd4857b43
	CRC32	a3e3e59e
	Example file location	---

Filename winusb.sys

System Windows Vista

File size 36864 bytes

Date -0001-11-30

Download

File details
	MD5	7f2f9e48566b2087f2aaad258cb2a8d4
	SHA1	86c8bba59c1bc3cca8d55887a4e843faf3288f64
	SHA256	e6a34df879f6d9f24c8ce5f131b4a104bcdf8720b0f4c6211ff4c9bd567efb77
	CRC32	1457e985
	Example file location	---

Filename winusb.sys

System Windows Vista

File size 36864 bytes

Date 2006-11-02

Download

File details
	MD5	def56fa3f235ff4ba5f5ddfef2cfdc49
	SHA1	8bd65847c661a4a3616678445774a12f68d071c2
	SHA256	3a0713763c75f7889fbd4cb4fd263635a15889c9be843d0ff357d277a2459d1c
	CRC32	ebaa07ff
	Example file location	---