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Repair and Download kbdclass.sys Now

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

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

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

File info

General information
Filename kbdclass.sys
File extension SYS
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.)
kbdclass.sys

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

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

kbdclass.sys

Error

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

OK

Problems related to kbdclass.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 kbdclass.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.

kbdclass.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

Virus Scan

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

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to kbdclass.sys 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 kbdclass.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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of kbdclass.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: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your kbdclass.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 kbdclass.sys
System Windows 10
File size 48544 bytes
Date 2017-03-18
File details
MD5 f4e8c3f5e0f8b065f90ee4c0953ecbf2
SHA1 706285b4b6d41ba7b2a5e81c2e20e321a920203c
SHA256 b076f5051df4795536858c313d22958567fcfd5291c91b0156c65d99254796fc
CRC32 bc2b7dcf
Example file location C:\Windows\System32\drivers\
Filename kbdclass.sys
System Windows 8.1
File size 45888 bytes
Date 2014-11-21
File details
MD5 cc790757b538c27d5df70d1bf2729f16
SHA1 627f1e64d84f587e7b60012203ec0b4ad70ff7a7
SHA256 8b50f4295edb55bdd06bcdda53a901cb209236ddec3cde8f5809f850ba8aba03
CRC32 6fdde912
Example file location C:\Windows\System32\drivers\
Filename kbdclass.sys
System Windows 8
File size 39664 bytes
Date 2012-07-26
File details
MD5 4533be9f8d67bdcf5feca87dcc345448
SHA1 b400c73d1ac0bf46aab44c4073c79ef747f5ec1f
SHA256 89852e7479efd73309037083b43db94aaacc2fa4bb323c547f87cd66c59c20d7
CRC32 0ac1640b
Example file location 1: C:\Windows\System32\drivers\
Filename kbdclass.sys
System Windows 7
File size 50768 bytes
Date 2009-07-14
File details
MD5 bc02336f1cba7dcc7d1213bb588a68a5
SHA1 7a5a0cd429248f010df2b1369bb906bbf3f6001b
SHA256 450c5bad54cce2afcdff1b6e7f8e1a8446d9d3255df9d36c29a8f848048aad93
CRC32 7ac91587
Example file location ---
Filename kbdclass.sys
System Windows Vista
File size 42040 bytes
Date -0001-11-30
File details
MD5 423696f3ba6472dd17699209b933bc26
SHA1 317126021431dd0bec539f3bcd6ab345c0ac95ed
SHA256 00c2eaa1a8e9d422d178b7678598743234930c1858d76c632f079ef789bb56c3
CRC32 2330d244
Example file location ---
Filename kbdclass.sys
System Windows Vista
File size 39528 bytes
Date -0001-11-30
File details
MD5 4324bbe0d86a15107c670e16218bf9c9
SHA1 ecdfce8c88c64c71336c6c419b279a8e2ede59c2
SHA256 4f2f0e955ae00d1234caafcf73ebecee06466981f8be7c99aed9275788a45427
CRC32 96c0e084
Example file location ---
Filename kbdclass.sys
System Windows Vista
File size 42040 bytes
Date 2008-01-21
File details
MD5 ac1ba7446d5343dfd4267a6e0d4fc0af
SHA1 2e1c03018242e66756fc99a2f13188a063a61903
SHA256 a5d86f54c124ea81b72cf314d1ac68d484efff30ac04226aa9241aaf6e22b2f0
CRC32 29cb718c
Example file location ---
Filename kbdclass.sys
System Windows XP
File size 24576 bytes
Date 2008-04-14
File details
MD5 463c1ec80cd17420a542b7f36a36f128
SHA1 d1531eaabd403c811dfbfb17985a97dbb0c3e534
SHA256 e3b11ba26afeafb50b0fc168ea07f6049da6b88bcddeee20310602d7fc27a3a7
CRC32 4474620e
Example file location ---