What is SjyPkt?

The genuine SjyPkt.sys file is a software component of Realtek Wireless Card by Realtek.
SjyPkt.sys is a system driver that belongs to the Realtek wireless card chipset. A driver is a program that allows communication between the software and hardware devices of a computer. This file is not a critical Windows component and should be removed if known to cause problems. Realtek is a Taiwanese fabless semiconductor company founded in 1987. Realtek employs over 2,000 people, most of which work in research and development. Realtek manufactures and sells a wide variety of products based on Integrated Circuitry throughout the world. Its products broadly cover communications networks, computer peripherals and multimedia.

SjyPkt stands for Sjy Packet Driver

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

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

SjyPkt.sys file information

The process known as Sample NDIS (version 5.0 Protocol Driver) or SjyPkt belongs to software Windows (version 2000 DDK driver) or SjyPkt by Windows ( (version 2000 DDK provider).

Description: SjyPkt.sys is not essential for the Windows OS and causes relatively few problems. SjyPkt.sys is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 13,532 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. SjyPkt.sys is not a Windows system file. SjyPkt.sys appears to be a compressed file. Therefore the technical security rating is 28% dangerous; however you should also read the user reviews.

Recommended: Identify SjyPkt.sys related errors

Important: Some malware disguises itself as SjyPkt.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the SjyPkt.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

It's part of the Realtek Wireless card
A little. Every reference into the registry points to the Realtek Wireless, I've one.

Summary: Average user rating of SjyPkt.sys: based on 2 votes with 2 user comments. One user thinks SjyPkt.sys is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving SjyPkt issues

A clean and tidy computer is the key requirement for avoiding problems with SjyPkt. 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 SjyPkt.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

SjyPkt.sys [all]