What is PdfPro6Hook.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 PdfPro6Hook.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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PdfPro6Hook.exe file information

Windows Task Manager with PdfPro6Hook
PdfPro6Hook.exe process in Windows Task Manager

The process known as PdfCreateHook Application belongs to software Nuance PDF Professional (version 6) or Nuance PDF Products by Nuance Communications (

Description: PdfPro6Hook.exe is not essential for the Windows OS and causes relatively few problems. The file PdfPro6Hook.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\. Known file sizes on Windows 10/8/7/XP are 1,273,856 bytes (50% of all occurrences) or 2,080,768 bytes. 
The program is not visible. The application starts when Windows starts (see Registry key: MACHINE\Run). PdfPro6Hook.exe is not a Windows system file. PdfPro6Hook.exe is able to record keyboard and mouse inputs, hide itself and manipulate other programs. Therefore the technical security rating is 44% dangerous, however you should also read the user reviews.

Uninstalling this variant: The developer Nuance provides a website for help and for updates. There is also an uninstaller (Control Panel ⇒ Uninstall a Program ⇒ Nuance PDF Professional 6).

Recommended: Identify PdfPro6Hook.exe related errors

Important: Some malware camouflages itself as PdfPro6Hook.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the PdfPro6Hook.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

Compulsory for PDF Converter (Nuance) to work
  Georges Helm   (further information)

Summary: Average user rating of PdfPro6Hook.exe: based on 1 vote with 1 user comment. One user thinks PdfPro6Hook.exe is essential for Windows or an installed application.

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Best practices for resolving PdfPro6Hook issues

A clean and tidy computer is the key requirement for avoiding problems with PdfPro6Hook. 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 PdfPro6Hook.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

PdfPro6Hook.exe [all]