How to remove an naiavf5x error

Naiavf5x.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 OS, hardware etc.
The free file information forum can help you determine if naiavf5x.sys belonging to the Windows system or an application you can trust.

Run a free scan to check for naiavf5x drivers in need of updating

Naiavf5x.sys file information

The process known as Anti-Virus File System Filter Driver belongs to software NaiAvFilter1 or VirusScan or VirusScan (Enterprise, ASaP & Retail.) by McAfee (www.mcafee.com) or Network Associates (nai.com).

Description: naiavf5x.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows 7/XP are 114,464 bytes (70% of all occurrences), 83,008 bytes and 6 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. There is no detailed description of this service. It is not a Windows system file. Naiavf5x.sys is a Microsoft signed file. naiavf5x.sys seems to be a compressed file. Therefore the technical security rating is 18% dangerous, however also read the users reviews.
If you have any problems with naiavf5x.sys, you may also want to uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ McAfee VirusScan Enterprise.

Recommended: Identify naiavf5x.sys related errors

Important: Some malware camouflages itself as naiavf5x.sys, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the naiavf5x.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.

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User Comments

I just blue screened my XP Pro machine and it had mentioned this driver.

This file is not signed by MS. You can find that by running the "sigverif.exe" in the run window.
Halo

It is a driver for Network Associates' virus scan console.

information

WinDbg crash dump analyzer reports it after my XPSP2 blue screened
Alex (further information)

Seems to be necessary, but I have uninstalled Mcafee and this is still there, slowing down my bootup (according to Bootvis). Needs further investigation.
AySz88

It's part of McAfee VirusScan, at least for Enterprise version 8, and probably for other versions as well
anon

I analyze the minidump and show this file in symbol
xiang419

It is the Mcafee viruscan filter driver
Laurent (further information)

belongs to McAfee antivirus software
Sjoerd Grimmelijkhuizen (further information)

Summary: Average user rating of naiavf5x.sys: based on 10 votes with 10 reviews.

3 users think naiavf5x.sys is essential for Windows or an installed application. 2 users think it's probably harmless. 2 users think it's neither essential nor dangerous. 2 users suspect danger. 1 user think naiavf5x.sys is dangerous and recommend removing it. 1 user doesn't grade naiavf5x.sys ("not sure about it").

Naiavf5x scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

MalwareBytes detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

SpeedUpMyPC scans, cleans, repairs and optimizes your computer.

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