How to Download and Fix umbus.sys?

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

umbus.sys file User-Mode Bus Enumerator. 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 umbus.sys related errors on your device. You can also download umbus.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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

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 umbus.sys

4.1 List of umbus.sys file versions

File info

General information
Filename	umbus.sys
File extension	SYS
Description	User-Mode Bus Enumerator

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 umbus.sys file related problems

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

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

umbus.sys

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

Problems related to umbus.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 umbus.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 umbus.sys errors in just few steps?

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

umbus.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 umbus.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 umbus.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 umbus.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 umbus.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the umbus.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 umbus.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 umbus.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 umbus.sys file

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

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

Windows 10: C:\Windows\System32\drivers\
Windows 8.1: C:\Windows\System32\drivers\
Windows 8: 1: C:\Windows\System32\drivers\
Windows 7: ---
Windows Vista: ---
Windows Vista: ---

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

System Windows 10

File size 49664 bytes

Date 2017-03-18

Download

File details
	MD5	31cd17f3be82dc5cf19d6bd63888adf6
	SHA1	0ffa65b73a8e84ba213d1287a43ac2e494956a58
	SHA256	f89c8a7db68362b6733e7a5e67af3f32ebc493a18c54549b4427114c2192363e
	CRC32	f4f7e8e2
	Example file location	C:\Windows\System32\drivers\

Filename umbus.sys

System Windows 8.1

File size 40448 bytes

Date 2013-08-22

Download

File details
	MD5	8cb5d86bdb3890cfc4d94593935c2f4b
	SHA1	867b0c38539fbdc0891adc336151096a6ed2b447
	SHA256	a1c26146d1fa78e66c878287d27bac1e474eb7a3bc82a5ff2ef19223aaf5498a
	CRC32	8f294755
	Example file location	C:\Windows\System32\drivers\

Filename umbus.sys

System Windows 8

File size 39424 bytes

Date 2012-07-26

Download

File details
	MD5	d54e16ce5ff8493e611cff34f96f5a00
	SHA1	70a1296b9a0f17a8efb805a76864033a4bc87a67
	SHA256	65666c17e0cd6935d54c121d582d44c4c83da7e7967ca2809cc7cd2590dc67b8
	CRC32	631802b0
	Example file location	1: C:\Windows\System32\drivers\

Filename umbus.sys

System Windows 7

File size 48640 bytes

Date 2010-11-21

Download

File details
	MD5	dc54a574663a895c8763af0fa1ff7561
	SHA1	9a4440e7ee532aa49581ee2c5fa79d0dac9a6163
	SHA256	09a3f3597e91cbeb2f38e96e75134312b60cae5574b2ad4606c2d3e992aeddfe
	CRC32	3e5b4506
	Example file location	---

Filename umbus.sys

System Windows Vista

File size 41984 bytes

Date -0001-11-30

Download

File details
	MD5	46e9a994c4fed537dd951f60b86ad3f4
	SHA1	e1ac2664d742ece82b122dee0edb876ac9c0676b
	SHA256	256f93ed3bd43b50f0d4489164d959f95ab070cc25a80a46355d2b387d336224
	CRC32	9ae3d09a
	Example file location	---

Filename umbus.sys

System Windows Vista

File size 41472 bytes

Date 2006-11-02

Download

File details
	MD5	95131c32eed0bb4eb3f2ab069794469a
	SHA1	67695f327ad54893a3e72fe2d0fd6710bba10eb4
	SHA256	18d9d1138b36366d2bb861920005c0104a756cf968e5afc710aff08663ff5d73
	CRC32	2fad3c3c
	Example file location	---