Mfeavfk.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if mfeavfk.sys is a Windows system file or if it belongs to an application that you can trust.
The process known as Anti-Virus File System Filter Driver
belongs to software SYSCORE.184.108.40.2061.x86 or SYSCORE.220.127.116.11.x86 or McAfee or SYSCORE.18.104.22.1685.x86 or SYSCORE.22.214.171.1240.x86 or McAfee Inc. mfeavfk or SYSCORE.126.96.36.1991.x86 or McAfee VirusScan Enterprise
by McAfee (www.mcafee.com).
Description: Mfeavfk.sys is not essential for the Windows OS and causes relatively few problems. Mfeavfk.sys is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 8/7/XP are 79,816 bytes (40% of all occurrences), 71,496 bytes and 4 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. It is a Verisign signed file. The file has a digital signature. There is no detailed description of this service. Mfeavfk.sys is not a Windows system file. Mfeavfk.sys is a trustworthy file from Microsoft. mfeavfk.sys appears to be a compressed file. Therefore the technical security rating is 2% dangerous.
If you encounter difficulties with mfeavfk.sys, you may also uninstall the associated program (Start > Control Panel > Add/Remove programs > McAfee VirusScan Enterprise).
Recommended: Identify mfeavfk.sys related errors
Important: Some malware disguises itself as mfeavfk.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the mfeavfk.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with mfeavfk. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the mfeavfk.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.