Microsoft Flight Simulator X demo DLL simpropext.dll

Fixing DLL Errors: Simpropext.dll Download and Repair

Last Updated: 11/26/2023
[Time to Read: ~3-5 minutes]

simpropext.dll is considered a type of simpropext dll file. It is most-commonly used in Microsoft® Flight Simulator X developed by Microsoft. It uses the DLL file extension and is considered a Win32 DLL (Executable application) file.

The initial introduction of simpropext.dll released in Flight Simulator X demo Demo was for Windows 10 on 08/10/2006. This is the most recent release date from Microsoft, according to our records.

Below, you find comprehensive file information, instructions for simple DLL file troubleshooting, and list of free simpropext.dll downloads for each available file version.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information ✻
File Name: simpropext.dll
File Extension: DLL file extension
Description: simpropext dll
Object File Type: Executable application
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corp.
Software Program: Microsoft® Flight Simulator X
Legal Copyright: Copyright © 1995-2006 Microsoft Corp.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x253d2
Code Size: 163328
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What are simpropext.dll Error Messages?


Dynamic Link Library simpropext.dll Errors

simpropext.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like simpropext.dll, 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. Flight Simulator X demo) could share the same simpropext.dll 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 DLL 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 simpropext.dll is attempted to be loaded either when Flight Simulator X demo is starting up, or in some cases already running. Some of the most common simpropext.dll errors include:

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

Step 2: If recently installed Flight Simulator X demo (or related software), uninstall then try reinstalling Flight Simulator X demo software.

You can uninstall Flight Simulator X demo 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 Flight Simulator X demo Demo and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Flight Simulator X demo software.

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

Flight Simulator X demo Demo

Microsoft Corporation

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 simpropext.dll 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 simpropext.dll 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 simpropext.dll 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 simpropext.dll file version. We maintain a comprehensive database of 100% malware-free simpropext.dll files for every applicable version of Flight Simulator X demo. 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 simpropext.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Flight Simulator X demo folder location:
    Windows 10: C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X Demo\
  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 simpropext.dll 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 simpropext.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying simpropext.dll to your appropriate Windows system directory. Microsoft typically does not release Flight Simulator X demo DLL 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 simpropext.dll and all other DLL files for Flight Simulator X demo. An incorrectly installed DLL 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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msvcp140_1_app.dll Microsoft® C Runtime Library _1 Microsoft® Visual Studio® 2017 (14.20.27323.0) 24248 C:\Program Files\Common Files\System\Ole DB\res...
api-ms-win-crt-conio-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 19064 C:\Users\Tester\AppData\Local\
TellMeRuntimeImm.dll User and Content Insights component Microsoft Office (16.0.12130.20068) 469872 C:\Program Files (x86)\Common Files\microsoft s...

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