H264Codec.ax: How to Fix, Download, and Update

Last Updated: 11/26/2024
[Average Read Time: 4.5 minutes]

H264Codec.ax, also known as a Pinnacle H264 Codec - DirectX Filter file, was created by Pinnacle Systems Inc. for the development of Pinnacle H264 Codec. AX files fall under under the Win32 DLL (Executable application) file type category.

H264Codec.ax was first released in the Windows 10 Operating System on 05/13/2008 with Pinnacle Video Spin 1.1.2.542. This is not only most recent release from Pinnacle Systems Inc., but it's the only version known in existence.

This article discusses complete file details, AX file troubleshooting instructions for problems with H264Codec.ax, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: H264Codec.ax
File Extension: AX file extension
Description: Pinnacle H264 Codec - DirectX Filter
Object File Type: Executable application
File Operating System: Windows 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Avid Development GmbH
Software Program: Pinnacle H264 Codec
Legal Copyright: © 2005-2007 by Avid Development GmbH
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x2ce14
Code Size: 217088


What are H264Codec.ax Error Messages?


Dynamic Link Library H264Codec.ax Errors

H264Codec.ax is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like H264Codec.ax, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like CCMClient.exe - to follow. These files were created so that multiple programs (eg. Pinnacle Video Spin) could share the same H264Codec.ax file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared AX file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when H264Codec.ax is attempted to be loaded either when Pinnacle Video Spin is starting up, or in some cases already running. Some of the most common H264Codec.ax errors include:

Your H264Codec.ax file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Pinnacle Video Spin), or deleted by a malware infection. Furthermore, H264Codec.ax file corruption could be caused from a power outage when loading Pinnacle Video Spin, system crash while loading H264Codec.ax, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix H264Codec.ax Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your H264Codec.ax issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the H264Codec.ax error, please proceed to the Step 2 below.

Step 2: If recently installed Pinnacle Video Spin (or related software), uninstall then try reinstalling Pinnacle Video Spin software.

You can uninstall Pinnacle Video Spin software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Pinnacle Video Spin 1.1.2.542 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Pinnacle Video Spin software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Pinnacle Video Spin 1.1.2.542

Pinnacle Systems Inc.

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many H264Codec.ax error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the H264Codec.ax error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your H264Codec.ax File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate H264Codec.ax file version. We maintain a comprehensive database of 100% malware-free H264Codec.ax files for every applicable version of Pinnacle Video Spin. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download H264Codec.ax Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Pinnacle Video Spin folder location:
    Windows 10: C:\Program Files (x86)\Pinnacle\VideoSpin\Programs\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve H264Codec.ax problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download H264Codec.ax Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying H264Codec.ax to your appropriate Windows system directory. Pinnacle Systems Inc. typically does not release Pinnacle Video Spin AX files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing H264Codec.ax and all other AX files for Pinnacle Video Spin. An incorrectly installed AX file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to H264Codec.ax


AX Files Related to H264Codec.ax

File Name Description Software Program (Version) File Size (bytes) File Location
pclemp4filewriter.ax dsmp4filewriter DirectShow(C) MPEG-4 File Writer (1.5.183.0) 163840 C:\Windows\System32\SleepStudy\
PCLESingleSource.ax Pinnacle Single Source Filter Pinnacle Studio (10.0.0.0) 327680 C:\Windows\System32\SleepStudy\
PCLECutlistSource3.ax Pinnacle Cutlist Reader Filter Studio (10, 0, 0, 0) 352256 C:\Windows\System32\SleepStudy\
DivXSubDec.ax DivXSubDec DivXSubDec (0, 0, 0, 0) 49152 C:\Windows\System32\SleepStudy\
DWVariSpeed.ax Variable Speed Transform Filter Pinnacle Systems, Inc. DWVariSpeed (15, 0, 0, 4) 102400 C:\Windows\System32\SleepStudy\

Other Files Related to H264Codec.ax

File Name Description Software Program (Version) File Size (bytes) File Location
SA.DAT Game Data Pinnacle Video Spin 1.1.2.542 6 C:\WINDOWS\Tasks\
diagwrn.xml Extensible Markup Language Pinnacle Video Spin 1.1.2.542 5718 C:\Windows\System32\Sysprep\Panther\
EtwRTEventLog-Applicat... Microsoft Event Trace Log Pinnacle Video Spin 1.1.2.542 3560 C:\Windows\System32\LogFiles\WMI\RtBackup\
api-ms-win-core-debug-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-string... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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