What is nvsvc.dll?

Nvsvc.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if nvsvc.dll is a Windows system file or if it belongs to an application that you can trust.

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Nvsvc.dll file information

The process known as NVIDIA Driver Helper Service (version 163.69, 97.55, 163.96, 186.21, 97.46, 101.38, 169.60, 163.71, 100.65, 156.71, 167.43, 197.45, 167.60, 158.28) belongs to software NVIDIA Driver Helper Service by NVIDIA (

Description: Nvsvc.dll is not essential for the Windows OS and causes relatively few problems. Nvsvc.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 86,016 bytes (58% of all occurrences), 90,191 bytes and 6 more variants. 
The program has a visible window. The nvsvc.dll file is not a Windows system file. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). The nvsvc.dll file is a Microsoft signed file. Nvsvc.dll is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 3% dangerous, however you should also read the user reviews.

Recommended: Identify nvsvc.dll related errors

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

Anyone utilizing nvidia graphic cards will have this program running. While it is not needed it does provide a consent search for updates for the drivers to run your graphic cards. Recommendation, keep it but turn the service off.
  Trevor Goble   (further information)
resolved by reinstalling NVIDIA drivers
  Ed Cavaness  
Got error "RunDLL c:\windows\system32\nvsvc.dll The specified module could not be found." Only reinstallation of Nvidia Graphics Driver helped.

Summary: Average user rating of nvsvc.dll: based on 3 votes with 3 user comments. One user thinks nvsvc.dll is essential for Windows or an installed application. 2 users think it's probably harmless.

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Best practices for resolving nvsvc issues

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

nvsvc.dll [all]