How to Download and Repair (3 Step Guide)

Last Updated: 08/20/2022
[Time Needed for Reading: ~4-6 minutes]

The development of AVG PC TuneUp by AVG Technologies prompted the latest creation of It is also known as a Private file (file extension PF), which is classified as a type of Archive (Private) file.

The first release in the Windows 10 Operating System for was on 01/12/2017 inside AVG PC TuneUp This is not only most recent release from AVG Technologies, but it's the only version known in existence.

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

File Analysis Provided by Jason Geater (Author)

Recommended Download: Fix / AVG PC TuneUp-related registry issues with WinThruster.

Compatible with Windows 10, 8, 7, Vista, XP and 2000

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File Overview

General Information
File Name:
File Extension: PF file extension
File Type: Archive
Description: Private
User Popularity Rating:
Developer and Software Information
Software Program: AVG PC TuneUp
Developer: AVG Technologies
Software: AVG PC TuneUp
Software Version:
File Details
File Size (Bytes): 38860
Oldest File Date: 02/10/2020
Latest File Date: 02/10/2020

What are Error Messages?

General Runtime Errors file errors often occur during the startup phase of AVG PC TuneUp, but can also occur while the program is running. These types PF errors are also known as “runtime errors” because they occur while AVG PC TuneUp is running. Here are some of the most common runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Prefetch\

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 file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with AVG PC TuneUp), or deleted by a malware infection. Furthermore, file corruption could be caused from a power outage when loading AVG PC TuneUp, system crash while loading or saving, 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 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 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 error, please proceed to the Step 2 below.

Step 2: If recently installed AVG PC TuneUp (or related software), uninstall then try reinstalling AVG PC TuneUp software.

You can uninstall AVG PC TuneUp 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 AVG PC TuneUp and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall AVG PC TuneUp software.

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


AVG Technologies

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 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 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 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 file version. We maintain a comprehensive database of 100% malware-free files for every applicable version of AVG PC TuneUp. 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 Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate AVG PC TuneUp 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 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 Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying to your appropriate Windows system directory. AVG Technologies typically does not release AVG PC TuneUp 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 and all other PF files for AVG PC TuneUp. 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

PF Files Related to

File Name Description Software Program (Version) File Size (bytes) File Location Private AVG PC TuneUp 21986 C:\Windows\Prefetch\
AVG_PERFORMANCE_1105.E... Private AVG PC TuneUp 9909 C:\Windows\Prefetch\ Private AVG PC TuneUp 8682 C:\Windows\Prefetch\ Private AVG PC TuneUp 7956 C:\Windows\Prefetch\
TUNEUPUNINST.EXE-2980C... Private AVG PC TuneUp 7103 C:\Windows\Prefetch\

Other Files Related to

File Name Description Software Program (Version) File Size (bytes) File Location
setuperr.log Log AVG PC TuneUp 1963 C:\$WINDOWS.~BT\Sources\Panther\
setuperr.log Log AVG PC TuneUp 23532 C:\Windows\Logs\DPX\
SA.DAT Game Data AVG PC TuneUp 6 C:\WINDOWS\Tasks\ Log AVG PC TuneUp 685086 C:\Windows\inf\
api-ms-win-core-profil... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.16299.15) 11160 C:\Users\Tester\AppData\Local\Temp\CDE1541D-56A...


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