Troubleshooting Mfencrk.sys BSOD: How To Guide

Last Updated: 11/25/2024
[Reading Time Required: 3.5 minutes]

SYS files such as mfencrk.sys are categorized as Win64 EXE (Driver) files. As a Detection driver file, it was created for use in Anti-Malware Core by McAfee, Inc..

The first release in the Windows 10 Operating System for mfencrk.sys was on 08/29/2019 inside McAfee Total Protection 2019 (16.0 R20). This file marks the latest update from McAfee, Inc., according to our records.

In this short article, you will discover detailed file information, steps for troubleshooting SYS file problems with mfencrk.sys, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information
File Name: mfencrk.sys
File Extension: SYS file extension
Description: Detection driver
Object File Type: Driver
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: McAfee LLC.
Software Program: Anti-Malware Core
Legal Copyright: Copyright (C) McAfee LLC, 2019. All rights reserved.
File Details
Character Set: Unicode
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x1130
Code Size: 65024


What are mfencrk.sys Error Messages?


mfencrk.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with mfencrk.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of mfencrk.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. McAfee Total Protection update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: mfencrk.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (mfencrk.sys).

<strong>STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (mfencrk.sys)</strong><br /><strong>STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (mfencrk.sys)</strong><br /><strong>STOP 0x0000000A: IRQL NOT LESS EQUAL (mfencrk.sys)</strong><br /><strong>STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (mfencrk.sys)</strong><br /><strong>STOP 0×0000007A: KERNEL DATA INPAGE (mfencrk.sys)</strong><br /><strong>STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (mfencrk.sys)</strong>

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter mfencrk.sys BSOD errors after you've installed new hardware, software (McAfee Total Protection), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to mfencrk.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a mfencrk.sys Blue Screen of Death error after recent changes.



How to Fix mfencrk.sys 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 mfencrk.sys 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 mfencrk.sys 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):

  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 McAfee Total Protection 2019 (16.0 R20) and click "Uninstall"
  5. 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 mfencrk.sys 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 mfencrk.sys 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 mfencrk.sys 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 mfencrk.sys file version. We maintain a comprehensive database of 100% malware-free mfencrk.sys files for every applicable version of McAfee Total Protection. 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 mfencrk.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate McAfee Total Protection folder location:
    Windows 10: C:\Windows\System32\drivers\
    Windows 10: C:\Program Files\Common Files\McAfee\Casper\
  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 mfencrk.sys 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 mfencrk.sys Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying mfencrk.sys to your appropriate Windows system directory. McAfee, Inc. typically does not release McAfee Total Protection SYS 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 mfencrk.sys and all other SYS files for McAfee Total Protection. An incorrectly installed SYS 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 mfencrk.sys


SYS Files Related to mfencrk.sys

File Name Description Software Program (Version) File Size (bytes) File Location
mfewfpk.sys Anti-Virus Mini-Firewall Driver SYSCORE (19.5.0.162) 254000 C:\Windows\System32\LogFiles\WMI\
mfeelamk.sys McAfee ELAM Driver SYSCORE (19.5.0.162) 86144 C:\Windows\System32\LogFiles\WMI\
mfencrk.sys Detection driver Anti-Malware Core (19.5.0) 108888 C:\Windows\System32\sru\
mfeplk.sys AAC Protected Launch Plugin Driver SYSCORE (19.5.0.162) 118320 C:\Windows\System32\LogFiles\WMI\
mfeclnrk.sys McAfee Driver Cleaning Driver Anti-Malware Core (19.5.0) 31576 C:\Windows\System32\sru\

Other Files Related to mfencrk.sys

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log McAfee Total Protection 2019 (16.0 R20) 217108 C:\Windows\Logs\DPX\
setupapi.dev.log Log McAfee Total Protection 2019 (16.0 R20) 684126 C:\Windows\inf\
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...
EtwRTDiagLog.etl Microsoft Event Trace Log McAfee Total Protection 2019 (16.0 R20) 3168 C:\Windows\System32\LogFiles\WMI\RtBackup\


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