What is PDFProFiltSrvPP.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 PDFProFiltSrvPP.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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PDFProFiltSrvPP.exe file information

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

The process known as PDFPro IFilter Service belongs to software Nuance PaperPort (version 12, 14) or PaperPort by Nuance Communications (

Description: PDFProFiltSrvPP.exe is not essential for the Windows OS and causes relatively few problems. PDFProFiltSrvPP.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 144,672 bytes (70% of all occurrences), 145,256 bytes, 77,640 bytes, 138,600 bytes or 142,424 bytes. 
The program is not visible. The file is a Verisign signed file. PDFProFiltSrvPP.exe is certified by a trustworthy company. The file is not a Windows core file. You can uninstall this program in the Control Panel. Therefore the technical security rating is 10% dangerous.

Uninstalling this variant: If you are having problems with PDFProFiltSrvPP.exe, you can also remove the entire program Nuance PaperPort 12 or Nuance PaperPort 14 using Windows Control Panel, visit the website or update to a possibly bug-fixed version.

Recommended: Identify PDFProFiltSrvPP.exe related errors

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

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

PDFProFiltSrvPP.exe [all]