What is vncserver.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the vncserver.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Vncserver.exe file information

The process known as VNC® Server or vncserver.exe" -sservice belongs to software VNC Server by RealVNC (

Description: Vncserver.exe is not essential for the Windows OS and causes relatively few problems. The vncserver.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 4,714,888 bytes (33% of all occurrences), 3,299,648 bytes or 3,458,952 bytes. 
The software has no file description. The program is not visible. The file is a Verisign signed file. It is digitally signed. The file is not a Windows system file. The software listens for or sends data on open ports to a LAN or the Internet. Vncserver.exe is able to connect to the Internet, record keyboard and mouse inputs, monitor applications and hide itself. Therefore the technical security rating is 43% dangerous.

Uninstalling this variant: If you are having problems with vncserver.exe, you can do the following:
  1) remove the entire program VNC Server using Windows Control Panel
  2) ask the software vendor,, for advice
  3) verify that you have installed the latest version.

Recommended: Identify vncserver.exe related errors

Important: Some malware camouflages itself as vncserver.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the vncserver.exe 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 vncserver issues

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

vncserver.exe [all]