McAfee, Inc. McAfee Total Protection EXE InstallPEF.exe

Fix InstallPEF.exe Errors and Download Now

Last Updated: 12/15/2024
[Average Article Time to Read: 4.7 minutes]

McAfee PEF Installer files, such as InstallPEF.exe, are considered a type of Win32 EXE (Executable application) file. They are associated with the EXE file extension, developed by McAfee, Inc. for McAfee PEF Installer.

InstallPEF.exe was first developed on 08/29/2019 for the Windows 10 Operating System in McAfee Total Protection 2019 (16.0 R20). This is the most recent release date from McAfee, Inc., according to our records.

Continue reading below to discover detailed file information, EXE file troubleshooting, and free downloads of several versions of InstallPEF.exe.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	InstallPEF.exe
File Extension:	EXE file extension
Description:	McAfee PEF Installer
Object File Type:	Executable application
File Operating System:	Win32
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	McAfee, Inc.
Software Program:	McAfee PEF Installer
Developer:	McAfee, Inc.
Software:	McAfee Total Protection
Software Version:	2019 (16.0 R20)

File Details
Character Set:	Windows, Latin1
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x0000
Entry Point:	0x320c
Code Size:	25600

View Other InstallPEF.exe Information

File Info	Description
File Size:	9.5 MB
File Modification Date/Time:	2020:01:13 14:07:38+00:00
File Type:	Win32 EXE
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2018:12:15 22:24:41+00:00
PE Type:	PE32
Linker Version:	6.0
Code Size:	25600
Initialized Data Size:	162816
Uninitialized Data Size:	1024
Entry Point:	0x320c
OS Version:	4.0
Image Version:	6.0
Subsystem Version:	4.0
Subsystem:	Windows GUI
File Version Number:	3.0.135.1
Product Version Number:	3.0.135.1
File Flags Mask:	0x0000
File Flags:	(none)
File OS:	Win32
Object File Type:	Executable application
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Windows, Latin1
Company Name:	McAfee, Inc.
File Description:	McAfee PEF Installer
File Version:	3.0.135
Product Name:	McAfee PEF Installer
Product Version:	3.0

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are InstallPEF.exe Error Messages?

InstallPEF.exe Runtime Errors

Runtime errors are McAfee Total Protection errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when InstallPEF.exe is attempted to be loaded either when McAfee Total Protection is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using McAfee Total Protection.

In most cases, InstallPEF.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these InstallPEF.exe error messages mean that McAfee Total Protection was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, McAfee Total Protection will be unable to start without resolving these errors.

Some of the most common InstallPEF.exe errors include:

InstallPEF.exe - Bad Image.
InstallPEF.exe Application Error.
InstallPEF.exe could not be found.
InstallPEF.exe could not be installed.
InstallPEF.exe could not be launched. Class not registered.
InstallPEF.exe could not be started.
InstallPEF.exe failed to initialize properly.
InstallPEF.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
InstallPEF.exe is not a valid Win32 application.
InstallPEF.exe is not running.
Cannot find InstallPEF.exe.
Error starting program: InstallPEF.exe.
Faulting Application Path: InstallPEF.exe.
The file InstallPEF.exe is missing or corrupt.
Windows failed to start - InstallPEF.exe.

System Error

The program can’t start because InstallPEF.exe is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the InstallPEF.exe error is key to properly resolving these errors. Although most of these EXE errors affecting InstallPEF.exe will happen during startup, occasionally you will encounter a runtime error while using McAfee PEF Installer. This can occur due to poor programming on behalf of McAfee, Inc., conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of InstallPEF.exe errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix InstallPEF.exe 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 InstallPEF.exe 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):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the InstallPEF.exe error, please proceed to the Step 2 below.

Step 2: If recently installed McAfee Total Protection (or related software), uninstall then try reinstalling McAfee Total Protection software.

You can uninstall McAfee Total Protection software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for McAfee Total Protection 2019 (16.0 R20) and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall McAfee Total Protection software.

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

McAfee Total Protection 2019 (16.0 R20)

McAfee, Inc.

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 InstallPEF.exe error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the InstallPEF.exe error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your InstallPEF.exe 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 InstallPEF.exe file version. We maintain a comprehensive database of 100% malware-free InstallPEF.exe files for every applicable version of McAfee Total Protection. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download InstallPEF.exe Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate McAfee Total Protection folder location:

Windows 10: C:\Program Files\Common Files\McAfee\PEF\Installer\
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 InstallPEF.exe 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.

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Download InstallPEF.exe Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying InstallPEF.exe to your appropriate Windows system directory. McAfee, Inc. typically does not release McAfee Total Protection EXE 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 InstallPEF.exe and all other EXE files for McAfee Total Protection. An incorrectly installed EXE file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

McAfee Total Protection 2019 (16.0 R20)

File Name

Software Version

File Version

Architecture

InstallPEF.exe

3.0.135.1

3.0.135

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	McAfee PEF Installer
Software Version:	3.0.135.1
File Version:	3.0.135
File Size:	9925176
File Date:	01/13/2020
MD5 Checksum:	96cb4d145c7b25dc2e863b1b75baef48
SHA1 Checksum:	9e280f84ead6e470256c00a24c16584168ffffc7
SHA256 Checksum:	6e958a8f7733a4a1ea558a247f301fd2ce8f38f1d5ae7b09c5a7db3f9ac8acdd
CRC32:
File Directory Location:	C:\Program Files\Common Files\McAfee\PEF\Insta ...

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	6.0
Initialized Data Size:	162816
Linker Version:	6.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	4.0
File Modification Date/Time:	01/13/2020

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Files Related to InstallPEF.exe

EXE Files Related to InstallPEF.exe

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
WACNotifications.exe	McAfee WAC Notifier	McAfee WACModule (2,15,0,0)	1340240	C:\Windows\System32\sru\
McActInst.exe	McAfee Activation Wizard Installer	McAfee Activation Wizard Framework (7,0,0,0)	248400	C:\Windows\System32\sru\
uninstaller.exe	McAfee WebAdvisor	McAfee WebAdvisor (4,1,0,0)	2419216	C:\Program Files\Common Files\Microsoft Shared\...
MVsInst.exe	McAfee VirusScan Upgrade	McAfee Cloud AV (22,5,0,0)	435328	C:\Windows\System32\LogFiles\WMI\
mcupdate.exe	McAfee Update Launcher	McAfee SecurityCenter (17,10,0,0)	2757008	C:\Windows\System32\sru\

Other Files Related to InstallPEF.exe

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
setuperr.log	Log	McAfee Total Protection 2019 (16.0 R20)	23531	C:\Windows\Logs\DPX\
WmiApRpl.ini	Windows Initialization	McAfee Total Protection 2019 (16.0 R20)	29736	C:\Windows\inf\WmiApRpl\0009\
api-ms-win-core-heap-l...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.17134.12)	11112	C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-synch-...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.17134.12)	13160	C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
PerfStringBackup.INI	Windows Initialization	McAfee Total Protection 2019 (16.0 R20)	1321920	C:\Windows\System32\

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