What is NvStreamKms?

The genuine NvStreamKms.sys file is a software component of Nvidia GeForce Experience by Nvidia.
The Nvidia GeForce Experience is a suite of performance optimization, recording, streaming and maintenance programs developed specifically for Nvidia graphics cards. NvStreamKms.sys is a driver that belongs to the Nvidia GameStream application, a part of the Nvidia GeForce Experience. This is not an essential Windows process and can be disabled if known to create problems, however, doing so may cause problems while running software that relies on Nvidia applications.

The Nvidia GeForce Experience features performance optimization tools that automatically configure games to run at optimal settings using hardware benchmarking data stored on Nvidia's cloud data centres. GeForce Experience incorporates Nvidia ShadowPlay technology that enables users to record and broadcast gameplay footage; Nvidia Ansel which enables in-game 360-degree photography; Nvidia GameStream for local intranet broadcasting; automatic driver updates for installed hardware, and more. The Nvidia GeForce Experience supports the Microsoft Windows platform.

The Nvidia Corporation is an American company that manufactures GPUs (graphics processing units). The company is best known for their flagship GPU line of products called, 'GeForce'. It was founded in 1993 by Jen-Hsun Huang, Chris Malachowsky and Curtis Priem. Currently, it is one the largest companies in the computer industry and rakes in an annual $4.1 billion. Nvidia is currently headquartered in Santa Clara, California, USA.

NvStreamKmS stands for Nvidia GameStream Kernel-mode Driver Service

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

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

NvStreamKms.sys file information

The process known as Nvidia Streaming Kernel Service belongs to software Nvidia Streaming Kernel Service or NVIDIA KMS by NVIDIA (

Description: NvStreamKms.sys is not essential for the Windows OS and causes relatively few problems. NvStreamKms.sys is located in a subfolder of "C:\Program Files"—common is C:\Program Files\NVIDIA Corporation\NvStreamSrv\. Known file sizes on Windows 10/8/7/XP are 26,560 bytes (25% of all occurrences), 19,600 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. It is a Verisign signed file. The file has a digital signature. The service has no detailed description. It is not a Windows core file. NvStreamKms.sys appears to be a compressed file. Therefore the technical security rating is 19% dangerous.

Recommended: Identify NvStreamKms.sys related errors

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

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

NvStreamKms.sys [all]