What is EPCP.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 EPCP.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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EPCP.exe file information

Windows Task Manager with EPCP
EPCP.exe process in Windows Task Manager

The process known as Epson Customer Participation belongs to software Epson Customer Participation by SEIKO EPSON CORPORATION (

Description: EPCP.exe is not essential for the Windows OS and causes relatively few problems. EPCP.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 608,864 bytes (23% of all occurrences), 521,600 bytes and 8 more variants. 
The program has no visible window. EPCP.exe is digitally signed. It is not a Windows system file. EPCP.exe is a Verisign signed file. The application can be uninstalled in the Control Panel. Therefore the technical security rating is 14% dangerous.

Uninstalling this variant: If problems with EPCP.exe come up, you may also uninstall the program using the Control Panel ⇒ Uninstall a ProgramEpson Customer Participation or Epson Customer Research.

Recommended: Identify EPCP.exe related errors

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

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

EPCP.exe [all]