What is arpwrmsg.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 arpwrmsg.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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Arpwrmsg.exe file information

Windows Task Manager with arpwrmsg
Arpwrmsg.exe process in Windows Task Manager

The process known as ARPowerMessage Application belongs to software ARPowerMsg Application by Microsoft (

Description: Arpwrmsg.exe is not essential for the Windows OS and causes relatively few problems. The file arpwrmsg.exe is located in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 77,312 bytes (99% of all occurrences) or 96,256 bytes. 
It is not a Windows core file. The process starts when Windows starts (see Registry key: MACHINE\Run). The file is a trustworthy file from Microsoft. The program is not visible. Therefore the technical security rating is 22% dangerous; however you should also read the user reviews.

Recommended: Identify arpwrmsg.exe related errors

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

Per HP, AlwaysReady Power Message broadcast application. Do not prevent from starting.
arpwrmsg.exe is a process belonging to HP and Compaq computers. A program that supports the ARPowerMessage application known as arpwrmsg.exe is a procedure belonging to HP and Compaq CPUs. Related to HP and Compaq Desktop PCs, the process filename arpwrmsg.exe belongs to the software ARPowerMsg Application by Microsoft.

Summary: Average user rating of arpwrmsg.exe: based on 2 votes with 2 user comments. 2 users think it's probably harmless.

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Best practices for resolving arpwrmsg issues

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

arpwrmsg.exe [all]