RUNDLL32.EXE-20ACEF9C.pf Errors: Download and Troubleshoot

Last Updated: 12/12/2023
[Time to Read: ~3-5 minutes]

Private files, such as RUNDLL32.EXE-20ACEF9C.pf, are considered a type of Archive (Private) file. They are associated with the PF file extension, developed by 123 pdf converter for 123 PDF Converter 4.1.

The first version of RUNDLL32.EXE-20ACEF9C.pf for 123 PDF Converter 4.1 was seen on 10/27/2010 in Windows 10. This file release marks the latest and most updated version from 123 pdf converter.

Continue reading below to discover detailed file information, PF file troubleshooting, and free downloads of several versions of RUNDLL32.EXE-20ACEF9C.pf.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: RUNDLL32.EXE-20ACEF9C.pf
File Extension: PF file extension
File Type: Archive
Description: Private
User Popularity Rating:
 
Developer and Software Information
Software Program: 123 PDF Converter 4.1
Developer: 123 pdf converter
Software: 123 PDF Converter
Software Version: 4.1
File Details
File Size (Bytes): 6296
Oldest File Date: 12/14/2019
Latest File Date: 12/14/2019


What are RUNDLL32.EXE-20ACEF9C.pf Error Messages?


General RUNDLL32.EXE-20ACEF9C.pf Runtime Errors

RUNDLL32.EXE-20ACEF9C.pf file errors often occur during the startup phase of 123 PDF Converter, but can also occur while the program is running. These types PF errors are also known as “runtime errors” because they occur while 123 PDF Converter is running. Here are some of the most common RUNDLL32.EXE-20ACEF9C.pf runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Prefetch\RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.pf file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with 123 PDF Converter), or deleted by a malware infection. Furthermore, RUNDLL32.EXE-20ACEF9C.pf file corruption could be caused from a power outage when loading 123 PDF Converter, system crash while loading or saving RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.pf error, please proceed to the Step 2 below.

Step 2: If recently installed 123 PDF Converter (or related software), uninstall then try reinstalling 123 PDF Converter software.

You can uninstall 123 PDF Converter 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 123 PDF Converter 4.1 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall 123 PDF Converter software.

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

123 PDF Converter 4.1

123 pdf converter

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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.pf file version. We maintain a comprehensive database of 100% malware-free RUNDLL32.EXE-20ACEF9C.pf files for every applicable version of 123 PDF Converter. 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 RUNDLL32.EXE-20ACEF9C.pf Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate 123 PDF Converter 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 RUNDLL32.EXE-20ACEF9C.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 RUNDLL32.EXE-20ACEF9C.pf Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying RUNDLL32.EXE-20ACEF9C.pf to your appropriate Windows system directory. 123 pdf converter typically does not release 123 PDF Converter 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 RUNDLL32.EXE-20ACEF9C.pf and all other PF files for 123 PDF Converter. 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


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SVCHOST.EXE-8FD92526.pf Private 123 PDF Converter 4.1 5151 C:\Users\Tester\AppData\Local\Microsoft\Windows...
RUNDLL32.EXE-840ADF4A.pf Private 123 PDF Converter 4.1 9526 C:\Program Files (x86)\Common Files\microsoft s...
SVCHOST.EXE-F737CE0B.pf Private 123 PDF Converter 4.1 8662 C:\Users\Tester\AppData\Local\
MPSIGSTUB.EXE-D67988B1.pf Private 123 PDF Converter 4.1 4881 C:\Users\Tester\AppData\Local\
WMIPRVSE.EXE-43972D0F.pf Private 123 PDF Converter 4.1 8973 C:\Users\Tester\AppData\Local\Microsoft\Windows...

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api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 12136 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
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