ksxbar.ax Informations - Download and Fix

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

ksxbar.ax file WDM Streaming Crossbar. 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 ksxbar.ax related errors on your device. You can also download ksxbar.ax file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista 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 7, Windows Vista, Windows Vista

File info

General information
Filename ksxbar.ax
File extension AX
Description WDM Streaming Crossbar
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
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.)

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

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



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


Problems related to ksxbar.ax 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 ksxbar.ax 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.

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

The last solution is to manually download and replace ksxbar.ax 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 ksxbar.ax file.

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your ksxbar.ax 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 ksxbar.ax
System Windows 10
File size 56320 bytes
Date 2017-03-18
File details
MD5 7bb9971518ceda29d7b23351b1affa7f
SHA1 436a4b1767ffc9cc84b4eceec9a266662dd55c58
SHA256 bf3888ffd3db6373f0584f5dcb6b26c9eda509ab911be1a6664e1f185e5520e7
CRC32 0b11e7fd
Example file location C:\Windows\System32\
Filename ksxbar.ax
System Windows 8.1
File size 58880 bytes
Date 2014-11-21
File details
MD5 2078347780e5b5f6b763f3689cdf5791
SHA1 eb0e1bf12f5ef9c372c8ecc9f535afb8bfefe391
SHA256 1024e70fb94e5ce520334667d2c9e63d398fc4db0592cad9cc9d934a31a901b3
CRC32 054244e3
Example file location C:\Windows\System32\
Filename ksxbar.ax
System Windows 8
File size 49664 bytes
Date 2012-07-26
File details
MD5 d6dbbeb81791b4574b7c97e8db0eb60f
SHA1 65b7327bb5377608ca5939b654a30a7a1448d917
SHA256 b9bb334f9226f9674d2ed17af4faf508e1cce0cf7c77e3b7f4138f88c0947619
CRC32 ebd8f519
Example file location 1: C:\Windows\System32\
Filename ksxbar.ax
System Windows 7
File size 48640 bytes
Date -0001-11-30
File details
MD5 3d97d200a1449f3995e88bea8f7d0c81
SHA1 f608e4deba1bd640d8a67ec1e9b6ea3462552102
SHA256 076870ae58f4cfb0bb49574f3799821c479f8c049ca1f5e6c6cc39d7f66ca61b
CRC32 40a45f67
Example file location C:\Windows\SysWOW64\
Filename ksxbar.ax
System Windows 7
File size 66048 bytes
Date 2010-11-21
File details
MD5 5f7c94678dae6ef130cddc1bbdc1738e
SHA1 e6abc60b0be0c4f22b74f30c56d52a6bfb1ab5f5
SHA256 b339350ab856b54ac618c7b6a9de046fc807acc5167cb8bde1260c90442020db
CRC32 ac4f2dcc
Example file location C:\Windows\SysWOW64\
Filename ksxbar.ax
System Windows Vista
File size 43520 bytes
Date -0001-11-30
File details
MD5 129bfbd63a1c76cc78f612d45eeae56a
SHA1 efdfc9f707ae5da5cb18447f98c8985cceba97a9
SHA256 60ddae19f0a8c0da2f09229ab8df47de0604f6fd268b9cda4f77b1f83bf43b91
CRC32 ad7809a6
Example file location ---
Filename ksxbar.ax
System Windows Vista
File size 56320 bytes
Date 2008-01-21
File details
MD5 2dd6f763df40e3f4421c33620062e0d7
SHA1 36974ba5653b33e45f171ce6027f3f4bdd027b62
SHA256 e20bfbe94abef5d2c6f88d39f4cdcbb468b31c0c6c1cd0384b8c89e28ceb61cb
CRC32 94806eb0
Example file location ---