How to Download and Fix RUNDLL32.EXE-685A8F09.pf Errors

Last Updated: 12/31/2023
[Average Article Time to Read: 4.7 minutes]

The development of Windows 7 by Microsoft prompted the latest creation of RUNDLL32.EXE-685A8F09.pf. It is also known as a Private file (file extension PF), which is classified as a type of Archive (Private) file.

RUNDLL32.EXE-685A8F09.pf was initially released with Windows 7 on 07/22/2009 for the Windows 7 Operating System. This file version is latest update offered from Microsoft, according to our records.

Below, you find comprehensive file information, instructions for simple PF file troubleshooting, and list of free RUNDLL32.EXE-685A8F09.pf downloads for each available file version.

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File Overview


General Information
File Name: RUNDLL32.EXE-685A8F09.pf
File Extension: PF file extension
File Type: Archive
Description: Private
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 7
Developer: Microsoft
Software: Windows
Software Version: 7
File Details
File Size (Bytes): 17696
Oldest File Date: 04/24/2017
Latest File Date: 04/24/2017


What are RUNDLL32.EXE-685A8F09.pf Error Messages?


General RUNDLL32.EXE-685A8F09.pf Runtime Errors

RUNDLL32.EXE-685A8F09.pf file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types PF errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common RUNDLL32.EXE-685A8F09.pf runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Prefetch\RUNDLL32.EXE-685A8F09.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-685A8F09.pf 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, RUNDLL32.EXE-685A8F09.pf file corruption could be caused from a power outage when loading Windows, system crash while loading or saving RUNDLL32.EXE-685A8F09.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-685A8F09.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-685A8F09.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-685A8F09.pf error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing RUNDLL32.EXE-685A8F09.pf 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 RUNDLL32.EXE-685A8F09.pf 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 RUNDLL32.EXE-685A8F09.pf 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 RUNDLL32.EXE-685A8F09.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-685A8F09.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-685A8F09.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-685A8F09.pf file version. We maintain a comprehensive database of 100% malware-free RUNDLL32.EXE-685A8F09.pf 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 RUNDLL32.EXE-685A8F09.pf 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 7: C:\Windows\Prefetch\
  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 7.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve RUNDLL32.EXE-685A8F09.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-685A8F09.pf Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying RUNDLL32.EXE-685A8F09.pf to your appropriate Windows system directory. Microsoft typically does not release Windows 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-685A8F09.pf and all other PF files for Windows. 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 7


Files Related to RUNDLL32.EXE-685A8F09.pf


PF Files Related to RUNDLL32.EXE-685A8F09.pf

File Name Description Software Program (Version) File Size (bytes) File Location
RUNDLL32.EXE-2031CA9D.pf Private Windows 8 14666 C:\Windows\System32\DriverStore\FileRepository\...
EXPLORER.EXE-A80E4F97.pf Private Windows 8.1 56222 C:\Windows\System32\Sysprep\Panther\
RUNDLL32.EXE-8B1FD299.pf Private Windows Vista 49938 C:\Windows\System32\winevt\Logs\
NGEN.EXE-EC3F9239.pf Private Windows 8.1 14582 C:\Windows\System32\en-US\
DLLHOST.EXE-905A63CB.pf Private Windows 8 13692 C:\Windows\System32\DriverStore\FileRepository\...

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OneX_v1.xsd XML Schema Definition Windows 8 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 10 6201 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 7 7504 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8 15591 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8.1 16142 C:\Windows\L2Schemas\


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