What is hpnra.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 hpnra.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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Hpnra.exe file information

Windows Task Manager with hpnra
Hpnra.exe process in Windows Task Manager

The process known as Hewlett-Packard Network Registry Agent belongs to software HPNRA by Hewlett-Packard (

Description: Hpnra.exe is not essential for the Windows OS and causes relatively few problems. Hpnra.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 49,152 bytes (85% of all occurrences) or 49,411 bytes. 
There is no information about the author of the file. The program is not visible. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run). Hpnra.exe is not a Windows system file. It is an unknown file in the Windows folder. Therefore the technical security rating is 59% dangerous; however you should also read the user reviews.

Recommended: Identify hpnra.exe related errors

If hpnra.exe is located in a subfolder of C:\Windows\System32, the security rating is 39% dangerous. The file size is 61,440 bytes. There is no description of the program. The program is not visible. The file is not a Windows core file.

External information from Paul Collins:

Important: Some malware disguises itself as hpnra.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the hpnra.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

Its a printer driver.
  Larry Davis  
it applies network support for the HP printer/ It is not an essential service
  david finney  

Summary: Average user rating of hpnra.exe: based on 2 votes with 2 user comments. 2 users think hpnra.exe is essential for Windows or an installed application.

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Best practices for resolving hpnra issues

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

hpnra.exe [all]