What is PPActiveDetection.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 PPActiveDetection.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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PPActiveDetection.exe file information

The process known as eTrust PestPatrol background protection application or CA eTrust PestPatrol belongs to software CA eTrust PestPatrol by Computer Associates (

Description: PPActiveDetection.exe is not essential for the Windows OS and causes relatively few problems. The PPActiveDetection.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 258,048 bytes (66% of all occurrences) or 106,496 bytes. 
The file is not a Windows system file. The program is not visible. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). Therefore the technical security rating is 33% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using PPActiveDetection.exe, you can uninstall the associated program (Start > Control Panel > Uninstall a Program > CA eTrust PestPatrol), use the software publisher’s support or update the program to the latest version.

Recommended: Identify PPActiveDetection.exe related errors

External information from Paul Collins:

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

Viren Software
  muse   (further information)

Summary: Average user rating of PPActiveDetection.exe: based on 1 vote with 1 user comment. One user thinks PPActiveDetection.exe is essential for Windows or an installed application.

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Best practices for resolving PPActiveDetection issues

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

PPActiveDetection.exe [all]