What is NSDriver?

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

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

NSDriver.sys file information

The process known as Driver for Ad-Watch network monitoring belongs to software Ad-Watch Connections or Ad-Watch Connect Kernel Filter by Lavasoft AB (

Description: NSDriver.sys is not essential for the Windows OS and causes relatively few problems. NSDriver.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 9,344 bytes (87% of all occurrences) or 15,648 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The service has no detailed description. NSDriver.sys is not a Windows system file. You can uninstall this program in the Control Panel. NSDriver.sys appears to be a compressed file. Therefore the technical security rating is 23% dangerous.

Uninstalling this variant: If you run into problems with NSDriver.sys, you can remove the entire program Ad-Aware 2007 using Windows Control Panel.

Recommended: Identify NSDriver.sys related errors

Important: Some malware disguises itself as NSDriver.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the NSDriver.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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Best practices for resolving NSDriver issues

A clean and tidy computer is the key requirement for avoiding problems with NSDriver. 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 repairing of your installation or, for Windows 8 and later versions, 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 NSDriver.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.

Other processes

NSDriver.sys [all]