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What is PTChangeFilterService.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 PTChangeFilterService.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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PTChangeFilterService.exe file information

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

The process known as PTChangeFilterService belongs to software HP ProtectTools Security Manager or HP Webcam or HP ProtectTools Security or HPAsset component for HP Active Support by Hewlett-Packard Development Company, L.P (www.hp.com).

Description: PTChangeFilterService.exe is not essential for the Windows OS and causes relatively few problems. The PTChangeFilterService.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 8/7/XP are 18,944 bytes (37% of all occurrences), 36,864 bytes, 45,056 bytes, 32,768 bytes or 19,968 bytes. http://www.file.net/process/ptchangefilterservice.exe.html 
The program is not visible. It is not a Windows core file. Therefore the technical security rating is 38% dangerous.
You can also visit the www.hp.com [1][2] website or uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ HP ProtectTools Security Manager or HP Webcam.

Recommended: Identify PTChangeFilterService.exe related errors

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

A clean and tidy computer is the key requirement for avoiding problems with PTChangeFilterService. 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 doing a repair of your installation, or in the case of Windows 8, 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 PTChangeFilterService.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

PTChangeFilterService.exe [all]