What is ehmsas.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 ehmsas.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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Ehmsas.exe file information

Windows Task Manager with ehmsas
Ehmsas.exe process in Windows Task Manager

The process known as Media Center Media Status Aggregator Service belongs to software Microsoft Windows Operating System by Microsoft (

Description: The original ehmsas.exe is an important part of Windows and rarely causes problems. The file ehmsas.exe is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 37,376 bytes (47% of all occurrences), 46,592 bytes, 47,104 bytes, 45,568 bytes or 38,912 bytes. 
The ehmsas.exe file is a Windows core system file. The program is not visible. The ehmsas.exe file is a trustworthy file from Microsoft. Therefore the technical security rating is 4% dangerous, however you should also read the user reviews.

Recommended: Identify ehmsas.exe related errors

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

Part of the Windows Media Center Operating System
  Mark Trenton  
I agree. Just did a fresh install of WinMCE and there it was. It hasn't caused any trouble yet.
  Wicked Clown  
yep same mce...just turned up ...fresh install... i was online with no anti virus
  poo tangs friend  
Have Media Center and its on there
needs to run windows media center and vista processes smoothly... without it.. MC will crash or lose locations of files and folders.
  Trent Steenholdt  
Media Center Core Component
as part of the media center, it's on vista ultimate
XP Pro SP3: I disabled the Media Center services Extender & Receiver & Scheduler and the process ehtray.exe. All are listed as "user choice". After having done that, process ehmsas.exe disappeared from the task list. No ill effects, so I guess it's not necessary.
  Larry Crowell  
Windows Media Center file
  CS   (further information)
It is part of the Microsoft's Operating Systems. Generally of size 40kb - 46kb depending on the OS. Do not delete it unless detected as a harmful file by anti-virus(very less chance of this happening)
  Abhijeet Choudhury  
Seems to run by itself for no apparent reason when computer is idle.
Search for MceRepair if Media Center isn't working properly. It re-registers the DLLs and (I believe) starts the Windows services on which WMC relies.
  Jeff   (further information)
I never seen in running in my programs till i got a virus, even after i reinstalled a new OS and what so.
  Charles Roach  
I stopped the process, and no it didnt cause my computer to crash, nor did it slow it down. I didnt notice it running in the processes before until just recently, so I was skeptical as to what it is and how come it appeared all of a sudden.
Runs on Vista even if all WMC services are disabled

Rating chart

Summary: Average user rating of ehmsas.exe: based on 19 votes with 15 user comments. 10 users think ehmsas.exe is essential for Windows or an installed application. 6 users think it's probably harmless. 3 users think it's neither essential nor dangerous. 5 users don't grade ehmsas.exe ("not sure about it").

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Best practices for resolving ehmsas issues

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

ehmsas.exe [all]