How to Download and Fix EPNDDE4S.DAT Errors

Last Updated: 12/10/2023
[Time to Read Article: 5 minutes]

EPNDDE4S.DAT, also known as a Game Data file, was created by Microsoft for the development of Windows Vista. DAT files fall under under the Dynamic Link Library (Game Data) file type category.

The release of EPNDDE4S.DAT introduced for Windows was on 11/08/2006 in Windows Vista. This file version is latest update offered from Microsoft, according to our records.

In this article, you will find detailed EPNDDE4S.DAT information, a DAT file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information
File Name: EPNDDE4S.DAT
File Extension: DAT file extension
File Type: Dynamic Link Library
Description: Game Data
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows Vista
Developer: Microsoft
Software: Windows
Software Version: Vista
File Details
File Size (Bytes): 2496
Oldest File Date: 09/18/2006
Latest File Date: 09/18/2006


What are EPNDDE4S.DAT Error Messages?


Dynamic Link Library EPNDDE4S.DAT Errors

EPNDDE4S.DAT is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like EPNDDE4S.DAT, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like sapisvr.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same EPNDDE4S.DAT 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 DAT 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 EPNDDE4S.DAT is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common EPNDDE4S.DAT errors include:

Your EPNDDE4S.DAT file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, EPNDDE4S.DAT file corruption could be caused from a power outage when loading Windows, system crash while loading EPNDDE4S.DAT, 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.



How to Fix EPNDDE4S.DAT 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 EPNDDE4S.DAT 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 EPNDDE4S.DAT error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing EPNDDE4S.DAT file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt EPNDDE4S.DAT files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for EPNDDE4S.DAT issues and any other system file problems.
  9. Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

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

sfc /scannow

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 EPNDDE4S.DAT 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 EPNDDE4S.DAT 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 EPNDDE4S.DAT 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 EPNDDE4S.DAT file version. We maintain a comprehensive database of 100% malware-free EPNDDE4S.DAT files for every applicable version of Windows. 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 EPNDDE4S.DAT Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

  4. Windows Vista: C:\Windows\System32\DriverStore\FileRepository\prnep001.inf_22b38952\Amd64\
  5. 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 Vista.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve EPNDDE4S.DAT 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 EPNDDE4S.DAT Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying EPNDDE4S.DAT to your appropriate Windows system directory. Microsoft typically does not release Windows DAT 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 EPNDDE4S.DAT and all other DAT files for Windows. An incorrectly installed DAT file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows Vista


Files Related to EPNDDE4S.DAT


DAT Files Related to EPNDDE4S.DAT

File Name Description Software Program (Version) File Size (bytes) File Location
tokens.dat Game Data Windows 10 513128 C:\Windows\System32\Sysprep\Panther\
settings.dat Game Data Windows 8 8192 C:\Windows\System32\
infstrng.dat Game Data Windows Vista 86016 C:\Windows\System32\Sysprep\Panther\
ActivationStore.dat Game Data Windows 10 65536 C:\Users\Tester\AppData\Local\Microsoft\Windows\
SFLISTXP.dat Game Data Windows 8 1459266 C:\WINDOWS\Tasks\

Other Files Related to EPNDDE4S.DAT

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 8 5957 C:\Windows\L2Schemas\
OneX_v1.xsd XML Schema Definition Windows Vista 5957 C:\Windows\L2Schemas\
OneX_v1.xsd XML Schema Definition Windows XP 5957 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 7 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\


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