Wondershare Software Co., Ltd. Wondershare UniConverter AX ac3filter.ax

Repair Ac3filter.ax Issues (How to Download and Fix)

Last Updated: 11/26/2023
[Time Needed for Reading: ~4-6 minutes]

ac3filter.ax, also known as a ac3filter file, was created by Wondershare Software Co., Ltd. for the development of AC3Filter. AX files fall under under the Win32 DLL (Dynamic link library) file type category.

ac3filter.ax was first released in the Windows 10 Operating System on 02/22/2007 with Free iPod Video Converter 1.34. The newest file release date for Wondershare UniConverter 11 was 05/08/2019 [version 1.31b].

This article discusses complete file details, AX file troubleshooting instructions for problems with ac3filter.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)

File Overview

General Information ^✻
File Name:	ac3filter.ax
File Extension:	AX file extension
Description:	ac3filter
Object File Type:	Dynamic link library
Comments:	Direct show audio decoder and processor filter
File Operating System:	Win32
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Program:	AC3Filter
Legal Copyright:	Copyright c 2002-2007 by Alexander Vigovsky
Developer:	Wondershare Software Co., Ltd.
Software:	Wondershare UniConverter
Software Version:	11

File Details
Character Set:	Unicode
Language Code:	Neutral
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x19623
Code Size:	360448

View Other ac3filter.ax Information

File Info	Description
File Size:	660 kB
File Modification Date/Time:	2020:01:20 11:10:52+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2008:07:09 08:06:33+00:00
PE Type:	PE32
Linker Version:	6.0
Code Size:	360448
Initialized Data Size:	315392
Uninitialized Data Size:	0
Entry Point:	0x19623
OS Version:	4.0
Image Version:	0.0
Subsystem Version:	4.0
Subsystem:	Windows GUI
File Version Number:	1.3.1.0
Product Version Number:	1.3.1.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Win32
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	Neutral
Character Set:	Unicode
Company Name:
File Description:	ac3filter
File Version:	1.31b
Internal Name:	ac3filter
Legal Copyright:	Copyright c 2002-2007 by Alexander Vigovsky
Product Name:	AC3Filter
Product Version:	1.31b
Comments:	Direct show audio decoder and processor filter
Legal Trademarks:
Private Build:

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are ac3filter.ax Error Messages?

Dynamic Link Library ac3filter.ax Errors

ac3filter.ax is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like ac3filter.ax, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Wondershare UniConverter) could share the same ac3filter.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 ac3filter.ax is attempted to be loaded either when Wondershare UniConverter is starting up, or in some cases already running. Some of the most common ac3filter.ax errors include:

Access Violation at address - ac3filter.ax.
ac3filter.ax could not be found.
Cannot find C:\Program Files (x86)\Wondershare\Video Converter Ultimate\ac3filter.ax.
Cannot register ac3filter.ax.
Cannot start Wondershare UniConverter. A required component is missing: ac3filter.ax. Please install Wondershare UniConverter again.
Failed to load ac3filter.ax.
The application has failed to start because ac3filter.ax was not found.
The file ac3filter.ax is missing or corrupt.
This application failed to start because ac3filter.ax was not found. Re-installing the application may fix this problem.

Your ac3filter.ax file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Wondershare UniConverter), or deleted by a malware infection. Furthermore, ac3filter.ax file corruption could be caused from a power outage when loading Wondershare UniConverter, system crash while loading ac3filter.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.

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How to Fix ac3filter.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 ac3filter.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):

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

If the Step 1 fails to resolve the ac3filter.ax error, please proceed to the Step 2 below.

Step 2: If recently installed Wondershare UniConverter (or related software), uninstall then try reinstalling Wondershare UniConverter software.

You can uninstall Wondershare UniConverter software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for Wondershare UniConverter 11 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Wondershare UniConverter software.

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

Wondershare UniConverter 11

Wondershare Software Co., Ltd.

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 ac3filter.ax error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

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

If Windows Update failed to resolve the ac3filter.ax error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your ac3filter.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 ac3filter.ax file version. We maintain a comprehensive database of 100% malware-free ac3filter.ax files for every applicable version of Wondershare UniConverter. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download ac3filter.ax Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate Wondershare UniConverter folder location:

Windows 10: C:\Program Files (x86)\Wondershare\Video Converter Ultimate\
Windows 10: C:\Program Files (x86)\Web Solution Mart\Windows 8 Codecs Pack\AC3\
Windows 10: C:\Windows\SysWOW64\
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 ac3filter.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.

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Download ac3filter.ax Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying ac3filter.ax to your appropriate Windows system directory. Wondershare Software Co., Ltd. typically does not release Wondershare UniConverter 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 ac3filter.ax and all other AX files for Wondershare UniConverter. An incorrectly installed AX file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Wondershare UniConverter 11

File Name

Software Version

File Version

Architecture

ac3filter.ax

1.3.1.0

1.31b

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	AC3Filter
Software Version:	1.3.1.0
File Version:	1.31b
File Size:	675840
File Date:	01/20/2020
MD5 Checksum:	f76e1461807291997b309bf34ccc59e2
SHA1 Checksum:	9b16d51d0719fc85253c46724be747b395c636ec
SHA256 Checksum:	922b877fcf4d09d5294976e6ad303fb5d7ea5d8a9e7f943f1f4e9f21dda80a1a
CRC32:
File Directory Location:	C:\Program Files (x86)\Wondershare\Video Conve ...

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	315392
Linker Version:	6.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	4.0
File Modification Date/Time:	01/20/2020

Windows 8 Codecs Pack 1

File Name

Software Version

File Version

Architecture

ac3filter.ax

2.1.0.0

2.1a

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	AC3Filter
Software Version:	2.1.0.0
File Version:	2.1a
File Size:	1497600
File Date:	01/15/2020
MD5 Checksum:	16ce36fcd5125216827c1866c5856d79
SHA1 Checksum:	7801b67133d084d71b488fd73879b9bd452f7ca6
SHA256 Checksum:	ce12e00ad1922fed12285be14fdd523f535c02e8f83904a48d04e1a2326d05fe
CRC32:
File Directory Location:	C:\Program Files (x86)\Web Solution Mart\Windo ...

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	593408
Linker Version:	9.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.0
File Modification Date/Time:	01/15/2020

Free iPod Video Converter 1.34

File Name

Software Version

File Version

Architecture

ac3filter.ax

1.0.1.0

1.01a

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	AC3Filter
Software Version:	1.0.1.0
File Version:	1.01a
File Size:	417792
File Date:	10/29/2019
MD5 Checksum:	5473708a73f6096a043735d2e14676a7
SHA1 Checksum:	1916e683f5250b36b7bff3e9c8caa9d860625db2
SHA256 Checksum:	4222f0afdcf6770a066ff838aaeb7aeca73f5375f173e396c38dbaaad6bb98db
CRC32:
File Directory Location:	C:\Windows\SysWOW64\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	229376
Linker Version:	6.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	4.0
File Modification Date/Time:	10/29/2019

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Files Related to ac3filter.ax

AX Files Related to ac3filter.ax

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
CFDecode2.ax	CineForm DirectShow Decoder	GoProCSPremium (1, 2, 0, 127)	1204224	C:\Windows\System32\migwiz\
ScreenCaptureFilter.ax	ScreenCa Dynamic Link Library	ScreenCa Dynamic Link Library (6, 0, 0, 0)	124928	C:\$WINDOWS.~BT\Sources\
ac3filter.ax	ac3filter	AC3Filter (1.31b)	675840	C:\Program Files\WindowsApps\Microsoft.Office.O...
LAVSplitter.ax	LAV Splitter - DirectShow Media Splitter	LAV Splitter (0.66.0)	488448	C:\Users\Tester\AppData\Local\Microsoft\Windows...

Other Files Related to ac3filter.ax

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
CBS.log	Log	Wondershare Filmora 9.2	1018926	C:\Windows\Logs\CBS\
setuperr.log	Log	Wondershare Filmora 9.2	21145	C:\Windows\Logs\DPX\
setupact.log	Log	DVD Slideshow Builder Deluxe 6.5.1	14252	C:\Windows\System32\Sysprep\Panther\
setupact.log	Log	Wondershare UniConverter 11	15167	C:\Windows\System32\Sysprep\Panther\
WmiApRpl.h	C/C++/Objective-C Header	Wondershare Filmora 9.2	3444	C:\Windows\System32\wbem\Performance\

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