What is NvMcTray.dll?

NvMcTray.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. You can fix your NvMcTray.dll problem by downloading the correct NvMcTray.dll file. The following information can help you determine if NvMcTray.dll is a Windows system file or if it belongs to an application that you can trust.

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NvMcTray.dll file information

The process known as NVIDIA Media Center Library belongs to software NVIDIA Media Center Library by NVIDIA (

Description: NvMcTray.dll is not essential for the Windows OS and causes relatively few problems. The NvMcTray.dll file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 86,016 bytes (45% of all occurrences), 81,920 bytes and 11 more variants. 
The program has a visible window. The software starts upon Windows startup (see Registry key: MACHINE\Run, Run, DEFAULT\Run, MACHINE\RunOnce). The file is not a Windows core file. It is a trustworthy file from Microsoft. Therefore the technical security rating is 6% dangerous, however you should also read the user reviews.

Recommended: Identify NvMcTray.dll related errors

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

Just another rescource hog harmless, but unnesessary
Automatically updated NVIDIA driver, then my IE 8 was been controlled by some advertisements, when you click on any websites, unpredictable advertisements could appear. NvMctray.dll 106KB, nvmctray.dll 106KB, nvmctray.dll 84 KB appeared in different directories, totally six times.
Totally safe, but unnecessary and can be disabled.
Got the nvmctray.dll missing error? Maybe my problem can help you. I was using a boot speed accelerator (soluto) which allowed me to take these two items out of startup: Nvidia driver helper service (Nvidia helper), and Nvidia display properties extension (Nvidia Prop Ext). Started getting the error. Putting them back in boot stopped the error.
just a start up entry file
Nvidia tray process
  VASCAO EH NOIX   (further information)
It looks like an Nvidia legit file, but is in fact the running part of a fake Windows Security alert scareware. Turns off Malware Malwarebytes, just delete it from system32 and registry run.
  Mark K  
most ppl say its an nvidia tray icon. i had it but i didnt see any tray icon.
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of NvMcTray.dll: based on 57 votes with 9 reviews. 45 users think NvMcTray.dll is essential for Windows or an installed application. 3 users think it's probably harmless. One user thinks it's neither essential nor dangerous. 2 users suspect danger. 6 users think NvMcTray.dll is dangerous and recommend removing it. 2 users don't grade NvMcTray.dll ("not sure about it").

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Best practices for resolving NvMcTray issues

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

NvMcTray.dll [all]