Troubleshooting UPDATER.EXE-391E1F87.pf: How To Guide (Free Download)

Last Updated: 12/02/2023
[Average Read Time: 4.5 minutes]

PF files such as UPDATER.EXE-391E1F87.pf are categorized as Archive (Private) files. As a Private file, it was created for use in Steganos Online Shield VPN 2.0.4 by Steganos Software.

The first release in the Windows 10 Operating System for UPDATER.EXE-391E1F87.pf was on 09/17/2018 inside Steganos Online Shield VPN 2.0.4. This file marks the latest update from Steganos Software, according to our records.

Continue reading below to discover detailed file information, PF file troubleshooting, and free downloads of several versions of UPDATER.EXE-391E1F87.pf.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: UPDATER.EXE-391E1F87.pf
File Extension: PF file extension
File Type: Archive
Description: Private
User Popularity Rating:
 
Developer and Software Information
Software Program: Steganos Online Shield VPN 2.0.4
Developer: Steganos Software
Software: Steganos Online Shield VPN
Software Version: 2.0.4
File Details
File Size (Bytes): 17531
Oldest File Date: 01/14/2020
Latest File Date: 01/14/2020


What are UPDATER.EXE-391E1F87.pf Error Messages?


General UPDATER.EXE-391E1F87.pf Runtime Errors

UPDATER.EXE-391E1F87.pf file errors often occur during the startup phase of Steganos Online Shield VPN, but can also occur while the program is running. These types PF errors are also known as “runtime errors” because they occur while Steganos Online Shield VPN is running. Here are some of the most common UPDATER.EXE-391E1F87.pf runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Prefetch\UPDATER.EXE-391E1F87.pf

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most PF errors are due to missing or corrupt files. Your UPDATER.EXE-391E1F87.pf file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Steganos Online Shield VPN), or deleted by a malware infection. Furthermore, UPDATER.EXE-391E1F87.pf file corruption could be caused from a power outage when loading Steganos Online Shield VPN, system crash while loading or saving UPDATER.EXE-391E1F87.pf, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf error, please proceed to the Step 2 below.

Step 2: If recently installed Steganos Online Shield VPN (or related software), uninstall then try reinstalling Steganos Online Shield VPN software.

You can uninstall Steganos Online Shield VPN 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 Steganos Online Shield VPN 2.0.4 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Steganos Online Shield VPN software.

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

Steganos Online Shield VPN 2.0.4

Steganos Software

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 UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf file version. We maintain a comprehensive database of 100% malware-free UPDATER.EXE-391E1F87.pf files for every applicable version of Steganos Online Shield VPN. 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 UPDATER.EXE-391E1F87.pf Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Steganos Online Shield VPN folder location:
    Windows 10: C:\Windows\Prefetch\
  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 UPDATER.EXE-391E1F87.pf 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 UPDATER.EXE-391E1F87.pf Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying UPDATER.EXE-391E1F87.pf to your appropriate Windows system directory. Steganos Software typically does not release Steganos Online Shield VPN PF 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 UPDATER.EXE-391E1F87.pf and all other PF files for Steganos Online Shield VPN. An incorrectly installed PF 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 UPDATER.EXE-391E1F87.pf


PF Files Related to UPDATER.EXE-391E1F87.pf

File Name Description Software Program (Version) File Size (bytes) File Location
WINDOWSUPDATEBOX.EXE-A... Private Steganos Online Shield VPN 2.0.4 4360 C:\Users\Tester\AppData\Local\Microsoft\Windows...
OPENVPN.EXE-E4DDD318.pf Private Steganos Online Shield VPN 2.0.4 6284 C:\3DP\Net\Atheros\9377\n\1032\
RUNTIMEBROKER.EXE-A65E... Private Steganos Online Shield VPN 2.0.4 8808 C:\Users\Tester\AppData\Local\
UPDATER.EXE-391E1F87.pf Private Steganos Online Shield VPN 2.0.4 17531 C:\Windows\System32\DriverStore\FileRepository\...
LOGONUI.EXE-1BEE4A84.pf Private Steganos Online Shield VPN 2.0.4 40524 C:\Windows\System32\winevt\Logs\

Other Files Related to UPDATER.EXE-391E1F87.pf

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log Steganos Online Shield VPN 2.0.4 391889 C:\Windows\Logs\DPX\
setupact.log Log Steganos Online Shield VPN 2.0.4 62830 C:\Windows\Panther\UnattendGC\
diagerr.xml Extensible Markup Language Steganos Online Shield VPN 2.0.4 5718 C:\Windows\System32\Sysprep\Panther\
diagerr.xml Extensible Markup Language Steganos Online Shield VPN 2.0.4 46014 C:\Windows\Panther\UnattendGC\
api-ms-win-core-memory... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11624 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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