What is PcScnSrv.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 PcScnSrv.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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PcScnSrv.exe file information

The process known as PcScnSrv belongs to software Trend Micro Internet Security by Trend Micro (

Description: PcScnSrv.exe is not essential for Windows and will often cause problems. PcScnSrv.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 196,608 bytes (50% of all occurrences) or 214,544 bytes. 
The program is not visible. It is not a Windows core file. The program can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 13% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using PcScnSrv.exe, you can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramTrend Micro PC-cillin.

Recommended: Identify PcScnSrv.exe related errors

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


User Comments

Part of Trend Micro PC-cillin
  Eric Kohnen  
Antivirus Software, Trend Micro Internet Security. Trend Micro Pain in the butt change to something else
Slows down pc
I have Pc-cillin
  Paul Jackson  
It is a memory hog

Summary: Average user rating of PcScnSrv.exe: based on 4 votes with 5 user comments. 2 users think PcScnSrv.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user suspects danger. One user is not sure about it.

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Best practices for resolving PcScnSrv issues

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

Other processes

PcScnSrv.exe [all]