The genuine vncviewer.exe file is a software component of VNCViewer by RealVNC.
RealVNC is a software development firm founded by Andy Harter in 2002. It offers remote access software. VNC Viewer allows you remote access to your computer from anywhere. For example, it allows you to monitor activity on your computer from a mobile phone. This is not an essential process. But this file is crucial to the running of VNC Viewer.
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 vncviewer.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.
The process known as VNC® Viewer or VNCViewer belongs to software UltraVNC VNCViewer or VNC Viewer or Bozteck VENM Remote Desktop Manager by UltraVNC (www.uvnc.com) or RealVNC (www.realvnc.com) or TightVNC Group.
Description: Vncviewer.exe is not essential for the Windows OS and causes relatively few problems. Vncviewer.exe is located in a subfolder of "C:\Program Files (x86)"—for instance C:\Program Files (x86)\UltraVNC\.
Known file sizes on Windows 10/8/7/XP are 493,656 bytes (33% of all occurrences), 749,568 bytes or 5,743,184 bytes.
It is not a Windows core file. The application can be uninstalled in the Control Panel. The process uses ports to connect to or from a LAN or the Internet.
Vncviewer.exe is able to record keyboard and mouse inputs and connect to the Internet.
Therefore the technical security rating is 18% dangerous, however you should also read the user reviews.
Recommended: Identify vncviewer.exe related errors
Important: Some malware camouflages itself as vncviewer.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the vncviewer.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.
A clean and tidy computer is the key requirement for avoiding problems with vncviewer. 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 vncviewer.exe 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.
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Score
User Comments
F. (further information)
James
Summary: Average user rating of vncviewer.exe: based on 7 votes with 2 user comments. 5 users think vncviewer.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user suspects danger.