How to Repair kbdclass.sys.mui? Download Now

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

kbdclass.sys.mui file Keyboard 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 kbdclass.sys.mui related errors on your device. You can also download kbdclass.sys.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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

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Fix kbdclass.sys.mui errors

1 Information about kbdclass.sys.mui file
2 Errors related to kbdclass.sys.mui file
3 How to fix kbdclass.sys.mui related errors?

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

4 Download kbdclass.sys.mui

4.1 List of kbdclass.sys.mui file versions

File info

General information
Filename	kbdclass.sys.mui
File extension	MUI
Description	Keyboard Class Driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Driver
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common kbdclass.sys.mui file related problems

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

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

kbdclass.sys.mui

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

Problems related to kbdclass.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 kbdclass.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.

How to fix kbdclass.sys.mui errors in just few steps?

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

kbdclass.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

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

Installing relevant Microsoft Windows patches and updates may solve your problems related to kbdclass.sys.mui 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 kbdclass.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 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 kbdclass.sys.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the kbdclass.sys.mui 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 kbdclass.sys.mui 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 kbdclass.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 kbdclass.sys.mui file

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of kbdclass.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\
Windows Vista: C:\Windows\System32\drivers\en-US\

If the steps did not solve your kbdclass.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 kbdclass.sys.mui

System Windows 10

File size 4608 bytes

Date 2017-03-18

Download

File details
	MD5	4e71a1608e64da7f60fbf05054068298
	SHA1	c525552da2d63505115c36a2fc579cd31a8eb4e5
	SHA256	ae84c7d05a5d5755fa9b6f327dcf9c48edd51ec4be9c8e60e990658919ab0687
	CRC32	a9053d47
	Example file location	C:\Windows\System32\drivers\en-US\

Filename kbdclass.sys.mui

System Windows 8.1

File size 4608 bytes

Date 2014-11-21

Download

File details
	MD5	a13626bf0e5be4ec425110ed6398289d
	SHA1	6075aaa2e50934a789c73765472f4cdf95267cc9
	SHA256	d2425158b9ac93e4c0689b036215d843bb0752c271f9e3c6269790b61ed2640d
	CRC32	a0362e8d
	Example file location	C:\Windows\System32\drivers\en-US\

Filename kbdclass.sys.mui

System Windows 8

File size 4096 bytes

Date 2012-07-26

Download

File details
	MD5	e0eb6fd89a8bd49e06e78408934597c2
	SHA1	53e91bf2680302c75f4876f7dd36e9585224f460
	SHA256	fe3d5f45b1d835c064437ddf07cdd2ccb02c963e378ce1434a21163203107aee
	CRC32	9250988a
	Example file location	1: C:\Windows\System32\drivers\en-US\

Filename kbdclass.sys.mui

System Windows 7

File size 4608 bytes

Date 2011-04-12

Download

File details
	MD5	07e46cc39bdc4296d798560e248c4c8f
	SHA1	2d59d565aacce0b40013f53fc73e046a50dd4ae4
	SHA256	31e880fee26b3561dd97809c52f58a2ff1cadfae1a13875f82b8f51774182407
	CRC32	ebe816e9
	Example file location	C:\Windows\System32\drivers\en-US\

Filename kbdclass.sys.mui

System Windows Vista

File size 4096 bytes

Date 2006-11-02

Download

File details
	MD5	57731e56d362468c9f12c40d3f61113b
	SHA1	96ee4093102db9d328debc24c081ddac716e2413
	SHA256	629b9c6ee36caaf7469371eee1cc74b4127dac375ebe096c4b035fb8fc795caf
	CRC32	ccd56d9e
	Example file location	C:\Windows\System32\drivers\en-US\