Cairo Cubicles Extension Changer EXE extmain.exe

Extmain.exe - Download and Fix Runtime Errors

Last Updated: 11/27/2023
[Time to Read: ~3-5 minutes]

EXE files such as extmain.exe are categorized as Win32 EXE (Executable application) files. As a Windows Executable file, it was created for use in Extension Changer by Cairo Cubicles.

The first version of extmain.exe for Extension Changer 0.5 build 186 was seen on 07/08/2005 in Windows 10. This file version is latest update offered from Cairo Cubicles, according to our records.

Please see below for more detailed information, EXE file troubleshooting instructions, and free downloads of different versions of extmain.exe.

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File Overview


General Information ✻
File Name: extmain.exe
File Extension: EXE file extension
Object File Type: Executable application
File Type: Executable Application
Description: Windows Executable
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Yehia Eg
Software Program: Extension Changer
Legal Copyright: YehiaEg 1999-2005
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x77030
Code Size: 483840
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What are extmain.exe Error Messages?


extmain.exe Runtime Errors

Runtime errors are Extension Changer errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when extmain.exe is attempted to be loaded either when Extension Changer is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using Extension Changer.

In most cases, extmain.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these extmain.exe error messages mean that Extension Changer was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, Extension Changer will be unable to start without resolving these errors.

Some of the most common extmain.exe errors include:

  • extmain.exe - Bad Image.
  • extmain.exe Application Error.
  • extmain.exe could not be found.
  • extmain.exe could not be installed.
  • extmain.exe could not be launched. Class not registered.
  • extmain.exe could not be started.
  • extmain.exe failed to initialize properly.
  • extmain.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • extmain.exe is not a valid Win32 application.
  • extmain.exe is not running.
  • Cannot find extmain.exe.
  • Error starting program: extmain.exe.
  • Faulting Application Path: extmain.exe.
  • The file extmain.exe is missing or corrupt.
  • Windows failed to start - extmain.exe.
System Error


The program can’t start because extmain.exe is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the extmain.exe error is key to properly resolving these errors. Although most of these EXE errors affecting extmain.exe will happen during startup, occasionally you will encounter a runtime error while using Extension Changer. This can occur due to poor programming on behalf of Yehia Eg, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of extmain.exe errors can occur if it has been accidentally moved, deleted, or corrupted by 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 extmain.exe 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 extmain.exe 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 extmain.exe error, please proceed to the Step 2 below.

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

You can uninstall Extension Changer 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 Extension Changer 0.5 build 186 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Extension Changer software.

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

Extension Changer 0.5 build 186

Cairo Cubicles

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 extmain.exe 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 extmain.exe 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 extmain.exe 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 extmain.exe file version. We maintain a comprehensive database of 100% malware-free extmain.exe files for every applicable version of Extension Changer. 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 extmain.exe Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Extension Changer folder location:
    Windows 10: C:\Program Files (x86)\Extension Changer\
  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 extmain.exe 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 extmain.exe Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying extmain.exe to your appropriate Windows system directory. Cairo Cubicles typically does not release Extension Changer EXE 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 extmain.exe and all other EXE files for Extension Changer. An incorrectly installed EXE file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
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Files Related to extmain.exe


EXE Files Related to extmain.exe

File Name Description Software Program (Version) File Size (bytes) File Location
FileSyncConfig.exe Microsoft OneDrive Configuration Application Microsoft OneDrive (19.222.1110.0006) 367464 C:\Users\Tester\AppData\Local\Microsoft\Windows\
OneDriveUpdaterService... Updater Service Microsoft OneDrive (19.222.1110.0006) 2485096 C:\Users\Tester\AppData\Local\
extchanger.exe Windows Executable Extension Changer 0.5 build 186 364535 C:\Windows\System32\winevt\Logs\
MpSigStub.exe Microsoft Malware Protection Signature Update Stub Microsoft Malware Protection (1.1.16500.1) 748816 C:\Windows\inf\
FileSyncHelper.exe Microsoft OneDriveFileSyncHelper Microsoft OneDrive (19.222.1110.0006) 2134376 C:\Users\Bill\AppData\Local\

Other Files Related to extmain.exe

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log Extension Changer 0.5 build 186 174515 C:\Windows\Logs\DPX\
SA.DAT Game Data Extension Changer 0.5 build 186 6 C:\WINDOWS\Tasks\
diagerr.xml Extensible Markup Language Extension Changer 0.5 build 186 5718 C:\Windows\System32\Sysprep\Panther\
EtwRTEventLog-System.etl Microsoft Event Trace Log Extension Changer 0.5 build 186 432 C:\Windows\System32\LogFiles\WMI\RtBackup\
ShutdownPerformanceDia... Binary Disk Image Extension Changer 0.5 build 186 9694 C:\Windows\System32\wdi\


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