Download and Fix kstvtune.ax

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

kstvtune.ax file WDM Streaming TvTuner. 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 kstvtune.ax related errors on your device. You can also download kstvtune.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 kstvtune.ax
File extension AX
Description WDM Streaming TvTuner
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 kstvtune.ax file. kstvtune.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 kstvtune.ax file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to kstvtune.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 kstvtune.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of kstvtune.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\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your kstvtune.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 kstvtune.ax
System Windows 10
File size 92672 bytes
Date 2017-03-18
File details
MD5 330803a00c04e44ae651b24ca610e4db
SHA1 b02bd4d4a6f94b4771aa703c41db24e43809f5d6
SHA256 00dc6fc1f355b76528ed0e96d92e60cbab676d85bd6e81335c895c2eb8fe29d2
CRC32 9e330993
Example file location C:\Windows\System32\
Filename kstvtune.ax
System Windows 8.1
File size 95232 bytes
Date 2014-11-21
File details
MD5 ae27e4bfb8c9fbdec753f0190b4849fe
SHA1 49ccccce29208335525bfe4961c8cce2e6d3aae7
SHA256 fbc2186a4e724b0d3087c599ccac2da0bd2511432fed4c08eceae84271178452
CRC32 3d90c0c0
Example file location C:\Windows\System32\
Filename kstvtune.ax
System Windows 8
File size 84992 bytes
Date 2012-07-26
File details
MD5 bc5de85fa60935bbb39e4c707ce61287
SHA1 1c49f986f0a88f534d91cfec8410f65fc268b6c4
SHA256 b7ce3b38e6348ba54e8eb41025103aa13dc6e1a7f25e480838c37b3c169d3d32
CRC32 14b9f68e
Example file location 1: C:\Windows\System32\
Filename kstvtune.ax
System Windows 7
File size 102912 bytes
Date 2010-11-21
File details
MD5 90c06682302b3f911ea22211a2ffc6ed
SHA1 c25183c37b77d07b3586f96fc5c637e6b0cabc50
SHA256 5be51de87ff5ef471bdab52f4d78e13ee574cf665bde80d6a3e2dac7a619c291
CRC32 38e01383
Example file location C:\Windows\System32\
Filename kstvtune.ax
System Windows 7
File size 84480 bytes
Date -0001-11-30
File details
MD5 e783de1447ec0eed7b768bb69705d8e3
SHA1 bca05ad089f9104a7931d219806eec8121849173
SHA256 9c8bc2b2c28a29cc865521b31082547550637c6394d261d8aad9207ff0fc651f
CRC32 38cf8a92
Example file location C:\Windows\System32\
Filename kstvtune.ax
System Windows Vista
File size 82432 bytes
Date 2008-01-21
File details
MD5 8f1427cf7078116baed46c1a5ad3337a
SHA1 6f8a16bee3e40d53d209056ea4fdc535054c34f0
SHA256 bd5a54f271be2d466dd4fcd967fdd2fa04812433ec89b62f8b5f402233bf8975
CRC32 16f4879c
Example file location ---
Filename kstvtune.ax
System Windows Vista
File size 69120 bytes
Date -0001-11-30
File details
MD5 d19270f084652370d5f0a451efd62d6a
SHA1 e989a773fbbaf0114fced79c77a3033d43ad5004
SHA256 d516778bbd4d374bc4c807efd659b97d48ad29af9c315eb41725ad4c8e438390
CRC32 f471f684
Example file location ---