Corel Corel VideoStudio Pro AX ulesmpeg.ax

3 Steps to Download and Fix Ulesmpeg.ax Errors

Last Updated: 12/07/2023
[Time to Read Article: 5 minutes]

AX files such as ulesmpeg.ax are categorized as Win64 DLL (Dynamic link library) files. As a MPEG Encoder and Muxer file, it was created for use in MPEG Encoder and Muxer by Corel.

The initial introduction of ulesmpeg.ax released in Corel VideoStudio Pro 2019 was for Windows 10 on 02/12/2019. According to our records, this release is the only version of this file offered by Corel.

In this article, you will find detailed ulesmpeg.ax information, a AX file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	ulesmpeg.ax
File Extension:	AX file extension
Description:	MPEG Encoder and Muxer
Object File Type:	Dynamic link library
File Operating System:	Windows 16-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	ULead Systems
Software Program:	MPEG Encoder and Muxer
Legal Copyright:	Copyright (C) 2001-2005 ULead Systems

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	Pre-release, Private build
File Flags Mask:	0x30003f
Entry Point:	0x1c0ac
Code Size:	113664

View Other ulesmpeg.ax Information

File Info	Description
File Size:	194 kB
File Modification Date/Time:	2019:10:17 13:47:46+00:00
File Type:	Win64 DLL
MIME Type:	application/octet-stream
Machine Type:	AMD AMD64
Time Stamp:	2014:12:18 07:28:33+00:00
PE Type:	PE32+
Linker Version:	11.0
Code Size:	113664
Initialized Data Size:	71168
Uninitialized Data Size:	0
Entry Point:	0x1c0ac
OS Version:	6.0
Image Version:	0.0
Subsystem Version:	6.0
Subsystem:	Windows GUI
File Version Number:	1.0.2.70
Product Version Number:	1.0.2.70
File Flags Mask:	0x30003f
File Flags:	Pre-release, Private build
File OS:	Windows 16-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	ULead Systems
File Description:	MPEG Encoder and Muxer
File Version:	1, 0, 2, 70
Internal Name:	ULESMPEG.ax
Legal Copyright:	Copyright (C) 2001-2005 ULead Systems
Product Name:	MPEG Encoder and Muxer
Product Version:	1, 0, 2, 70
Comments:
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 ulesmpeg.ax Error Messages?

Dynamic Link Library ulesmpeg.ax Errors

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

Access Violation at address - ulesmpeg.ax.
ulesmpeg.ax could not be found.
Cannot find C:\Program Files\Corel\Corel VideoStudio 2019\Common Files\MPEG\ulesmpeg.ax.
Cannot register ulesmpeg.ax.
Cannot start Corel VideoStudio Pro. A required component is missing: ulesmpeg.ax. Please install Corel VideoStudio Pro again.
Failed to load ulesmpeg.ax.
The application has failed to start because ulesmpeg.ax was not found.
The file ulesmpeg.ax is missing or corrupt.
This application failed to start because ulesmpeg.ax was not found. Re-installing the application may fix this problem.

Your ulesmpeg.ax file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Corel VideoStudio Pro), or deleted by a malware infection. Furthermore, ulesmpeg.ax file corruption could be caused from a power outage when loading Corel VideoStudio Pro, system crash while loading ulesmpeg.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 ulesmpeg.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 ulesmpeg.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 ulesmpeg.ax error, please proceed to the Step 2 below.

Step 2: If recently installed Corel VideoStudio Pro (or related software), uninstall then try reinstalling Corel VideoStudio Pro software.

You can uninstall Corel VideoStudio Pro 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 Corel VideoStudio Pro 2019 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Corel VideoStudio Pro software.

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

Corel VideoStudio Pro 2019

Corel

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 ulesmpeg.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 ulesmpeg.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 ulesmpeg.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 ulesmpeg.ax file version. We maintain a comprehensive database of 100% malware-free ulesmpeg.ax files for every applicable version of Corel VideoStudio Pro. Please follow the steps below to download and properly replace you file:

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

Windows 10: C:\Program Files\Corel\Corel VideoStudio 2019\Common Files\MPEG\
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 ulesmpeg.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 ulesmpeg.ax Files (Malware-Tested 100% Clean)

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

Corel VideoStudio Pro 2019

Corel VideoStudio Pro 2019

File Name

Software Version

File Version

Architecture

ulesmpeg.ax

1.0.2.70

1, 0, 2, 70

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	MPEG Encoder and Muxer
Software Version:	1.0.2.70
File Version:	1, 0, 2, 70
File Size:	198984
File Date:	10/17/2019
MD5 Checksum:	3a7b7a2fb3c716cccd5fc85d5067fef2
SHA1 Checksum:	20a35670d1530131c865e8e39461e42705ae5add
SHA256 Checksum:	c8328884cedad260afca6e6c2a422a70a0814c9ecea55c4d276cb52bcc8aa4eb
CRC32:
File Directory Location:	C:\Program Files\Corel\Corel VideoStudio 2019\ ...

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	71168
Linker Version:	11.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	10/17/2019

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Files Related to ulesmpeg.ax

AX Files Related to ulesmpeg.ax

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
DibOutput.ax	DirectShow Filter	Ulead VideoStudio (22.3)	62792	C:\Windows\System32\winevt\Logs\
DibReceive.AX	DirectShow Filter	Ulead VideoStudio (22.3)	55120	C:\Windows\System32\winevt\Logs\
ulasync.ax	Ulead Async Filter	Ulead Async Filter (1, 0, 0, 18)	149328	C:\Windows\System32\winevt\Logs\
IVIVIDEO.ax	IVIVIDEO LOGID.555208	InterVideo Video Decoder (22.3)	1850192	C:\Windows\System32\winevt\Logs\
InternalFilter.ax	TODO: <File description>	LiveCapture (1.0.0.1)	86128	C:\Windows\System32\winevt\Logs\

Other Files Related to ulesmpeg.ax

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
Sessions.xml	Extensible Markup Language	WinZip 23.0.13300.0	5303712	C:\Windows\servicing\Sessions\
CBS.log	Log	PaintShop Pro 2020	891431	C:\Windows\Logs\CBS\
setupact.log	Log	Corel VideoStudio Pro 2019	356616	C:\Windows\Logs\DPX\
setupact.log	Log	WinZip 23.0.13300.0	1400871	C:\Windows\Logs\DPX\
setupact.log	Log	PaintShop Pro 2020	21267	C:\Windows\System32\Sysprep\Panther\

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