IsUninst.exe: How to Fix, Download, and Update

Last Updated: 11/25/2023
[Average Read Time: 4.5 minutes]

IsUninst.exe, also known as a InstallShield® unInstaller file, was created by Electronic Arts for the development of InstallShield® unInstaller. EXE files fall under under the Win32 EXE (Executable application) file type category.

The initial introduction of IsUninst.exe released in IP Changer 2 was for Windows 10 on 10/05/2001. The most recent release for Need for Speed: Porsche Unleashed 1 launched on 04/11/2000 [version 5, 51, 138, 0 release].

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

File Analysis Provided by Jason Geater (Author)


Recommended Download: Fix IsUninst.exe / Need for Speed: Porsche Unleashed-related registry issues with WinThruster.

Compatible with Windows 11, 10, 8, 7, Vista, XP and 2000

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File Overview


General Information
File Name: IsUninst.exe
File Extension: EXE file extension
Description: InstallShield® unInstaller
Object File Type: Executable application
File Operating System: Windows 16-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: InstallShield Software Corporation
Software Program: InstallShield® unInstaller
Legal Copyright: Copyright InstallShield Corporation, Inc. 1990-1997
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: Pre-release
File Flags Mask: 0x0002
Entry Point: 0x1c330
Code Size: 128000


What are IsUninst.exe Error Messages?


IsUninst.exe Runtime Errors

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

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

Some of the most common IsUninst.exe errors include:

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


The program can’t start because IsUninst.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 IsUninst.exe error is key to properly resolving these errors. Although most of these EXE errors affecting IsUninst.exe will happen during startup, occasionally you will encounter a runtime error while using InstallShield® unInstaller. This can occur due to poor programming on behalf of InstallShield Software Corporation, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of IsUninst.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.



How to Fix IsUninst.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 IsUninst.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 IsUninst.exe error, please proceed to the Step 2 below.

Step 2: If recently installed Need for Speed: Porsche Unleashed (or related software), uninstall then try reinstalling Need for Speed: Porsche Unleashed software.

You can uninstall Need for Speed: Porsche Unleashed 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 Need for Speed: Porsche Unleashed 1 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Need for Speed: Porsche Unleashed software.

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

Need for Speed: Porsche Unleashed 1

Electronic Arts

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 IsUninst.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 IsUninst.exe 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 IsUninst.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 IsUninst.exe file version. We maintain a comprehensive database of 100% malware-free IsUninst.exe files for every applicable version of Need for Speed: Porsche Unleashed. 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 IsUninst.exe Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Need for Speed: Porsche Unleashed folder location:
    Windows 10: C:\Windows\
    Windows 10: C:\Windows\
    Windows 10: C:\Windows\
    Windows 10: C:\Windows\
    Windows 10: C:\Windows\
    Show 2 more directories +
    Windows 10: C:\Windows\
    Windows 10: C:\Windows\
  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 IsUninst.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.



Download IsUninst.exe Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying IsUninst.exe to your appropriate Windows system directory. Electronic Arts typically does not release Need for Speed: Porsche Unleashed 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 IsUninst.exe and all other EXE files for Need for Speed: Porsche Unleashed. 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


Files Related to IsUninst.exe


EXE Files Related to IsUninst.exe

File Name Description Software Program (Version) File Size (bytes) File Location
OneDriveUpdaterService... Updater Service Microsoft OneDrive (19.192.0926.0012) 2487144 C:\Users\Tester\AppData\Local\
Porsche.exe Windows Executable Need for Speed: Porsche Unleashed 1 2121728 C:\Program Files\WindowsApps\Microsoft.BingFina...
FileSyncConfig.exe Microsoft OneDrive Configuration Application Microsoft OneDrive (19.192.0926.0012) 364392 C:\Users\Tester\AppData\Local\Microsoft\Windows\
Video.UI.exe Video Application Entertainment Platform (10.19072.120100000-19072) 26138624 C:\Windows\System32\spp\store\2.0\cache\
Music.UI.exe Music Application Entertainment Platform (10.19101.107100000-19101) 23313408 C:\Windows\Panther\

Other Files Related to IsUninst.exe

File Name Description Software Program (Version) File Size (bytes) File Location
Sessions.back.xml Extensible Markup Language Battlefield 1942 1 5796926 C:\Windows\servicing\Sessions\
CBS.log Log Need for Speed: Porsche Unleashed 1 1143363 C:\Windows\Logs\CBS\
CBS.log Log Need for Speed Underground 2 (not specified) 890298 C:\Windows\Logs\CBS\
setuperr.log Log Moto Racer 2 demo 5179 C:\Windows\Panther\NewOs\Panther\
setuperr.log Log Moto Racer 2 demo 23501 C:\Windows\Logs\DPX\


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