What is nvwddi.dll?

Nvwddi.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 nvwddi.dll is a Windows system file or if it belongs to an application that you can trust.

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Nvwddi.dll file information

The process known as NVIDIA nView Display Driver Interface Lib (version 258.96, 260.99, 285.58, 275.33, 169.21, 191.07, 266.58, 296.10, 190.62, 280.26, 307.83, 175.16, 306.81, 175.19, ...) belongs to software NVIDIA nView Display Driver Interface Lib by NVIDIA (

Description: Nvwddi.dll is not essential for the Windows OS and causes relatively few problems. Nvwddi.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 81,920 bytes (65% of all occurrences), 54,272 bytes, 35,840 bytes, 35,328 bytes or 36,864 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. The service has no detailed description. The file is not a Windows core file. It can change the behavior of other programs or manipulate other programs. Therefore the technical security rating is 60% dangerous, however you should also read the user reviews.

Recommended: Identify nvwddi.dll related errors

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

its from Nvidia
Signed by Microsoft, this is a file from Nvidia Corporation
it's nview related and not really needed.
Nvidia driver
dll from Nvidia
IT comes from nvidia, is signed by microsoft, so don't worry about it. This is an utility, which can interpret gestures from your mouse, make windows transperent, utilize differnt desktops, connect second monitors to your pc etc.
NVIDEA Display-Driver
  Papst Saulus  
nvidia driver file..
This is a DLL file that loads the interface for NVIDIA Desktop Manager. Desdtop Manager is for manipulating the function and appearance of your windows. It is especially useful with dual displays.
unsigned and md5sum cf46d7957f0714a01160da794f5164b6
needed for NVIDIA Desktop Manager annoying when deleted!

Rating chart

Summary: Average user rating of nvwddi.dll: based on 13 votes with 11 user comments. 9 users think nvwddi.dll is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users think it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving nvwddi issues

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

nvwddi.dll [all]