What is HPPA_Main.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 HPPA_Main.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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HPPA_Main.exe file information

The process known as HP Power Assistant belongs to software HP Power Assistant by Hewlett-Packard Company ( or Hewlett-Packard (

Description: HPPA_Main.exe is not essential for the Windows OS and causes relatively few problems. HPPA_Main.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 3,488,640 bytes (80% of all occurrences) or 1,690,680 bytes. 
The program is not visible. It is a Verisign signed file. It is digitally signed. HPPA_Main.exe is not a Windows core file. The software uses ports to connect to or from a LAN or the Internet. Therefore the technical security rating is 35% dangerous.

Uninstalling this variant: In case of any problems with HPPA_Main.exe, you can also use the software publisher’s support site, search for an update on the vendor’s website or uninstall HP Power Assistant from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify HPPA_Main.exe related errors

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

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

HPPA_Main.exe [all]