What is navex15?

Navex15.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 navex15.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for navex15 drivers in need of updating

Navex15.sys file information

The process known as AV Engine belongs to software Symantec Antivirus Engine by Symantec (

Description: Navex15.sys is not essential for Windows and will often cause problems. Navex15.sys is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 895,408 bytes (28% of all occurrences), 856,336 bytes and 11 more variants. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. The file is not a Windows core file. The navex15.sys file is a Verisign signed file. The file has a digital signature. navex15.sys appears to be a compressed file. Therefore the technical security rating is 20% dangerous, however you should also read the user reviews.

Uninstalling this variant: In the event of any problems with navex15.sys, you can completely remove Outerinfo (Control Panel ⇒ Uninstall a Program).

Recommended: Identify navex15.sys related errors

Important: Some malware camouflages itself as navex15.sys. Therefore, you should check the navex15.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.


User Comments

Norton Antivirus
  J├╝rgen Quast  
Part of Symantec Norton Internet Security suite
  Georg   (further information)
Belongs to Norton Internet Security
It is currently causeing a PAGE_FAULT_IN_NON_PAGED_AREA on a corporate latptop. I am looking for a reason why.
  Johnny Quest's boy-slave , Hodgie  
Should only exist in ...\Common Files\Symantec Shared\VirusDefs\...
NAVEX15.EXE NAVEX15.SYS are sleeping MALWARE files you should GOOGLE any file when they pop up
  Frank Readerman  
not permitting me for 3 days+ to stay on pc more than 2 min,,,,,,so upse with it
shuts system off
NAV = Norton Antiv-Virus
Norton Internet Security AV Engin

Rating chart

Summary: Average user rating of navex15.sys: based on 13 votes with 10 user comments. 8 users think navex15.sys is essential for Windows or an installed application. 5 users think navex15.sys is dangerous and recommend removing it. 3 users don't grade navex15.sys ("not sure about it").

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Best practices for resolving navex15 issues

A clean and tidy computer is the key requirement for avoiding problems with navex15. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the navex15.sys process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

navex15.sys [all]