What is HydraMD.exe?

The genuine HydraMD.exe file is a software component of HydraVision Viewport by ATI Technologies.
A monitor extension program, MultiDesk allows up to nine desktop displays to be run at the same time, eliminating clutter on one desktop. It can be enabled or disabled at your leisure, even when in the middle of a project involving multiple desktops. Created by ATI Technologies, AMD acquired ATI in 2006. AMD supports all legacy ATI software.

HydraMD stands for Hydra MultiDesk

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 HydraMD.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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HydraMD.exe file information

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

The process known as MultiDesk belongs to software AMD HydraVision MultiDesk or ATI Technologies Inc. HydraVision Viewport by AMD ( or ATI Technologies (

Description: HydraMD.exe is not essential for the Windows OS and causes relatively few problems. HydraMD.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 569,344 bytes (76% of all occurrences), 565,248 bytes, 360,448 bytes or 364,544 bytes. 
It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. The program has no visible window. The process starts upon Windows startup (see Registry key: Run, MACHINE\Run). You can uninstall this program in the Control Panel. HydraMD.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 58% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using HydraMD.exe, you may also do the following:

Recommended: Identify HydraMD.exe related errors

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

well it better not be, what gives with this program sniffin out progs like this
ATI Hydravision service for laptops and multiple monitors
It's needed for the running of ATI (Radeon)
  Brad r  
not hard to get rid of, and you don't need to use spyware tools. just open up your HydraVision settings, and choose 'Unload MultiDesk'. unless you want to use multiple desktops, which some people can't live without and consider a feature of their ATI graphics card, not a nuisance. it does seem unlikely that ATI would have two processes running concurrently where it just switches the D and the M. it looks like a spyware trick, but DM is for Desktop Manager and MD is for MultiDesk.
  jamie   (further information)
HydraMD is for multiple desktops, it is a feature, not a requirement of the ATI Radeon Family. You can close it with no ill effects.
  ericTheFrog   (further information)
very helpful not harmful
It isnt essential. But It is useful. It is part of the ATI package, suitable on reasonable and above graphics cards for switching between desktops. I use a ton of programs at work simultaneously so to me it is very useful. If you are happy with everything on one screen and dont need to switch between different desktops then remove it. If you have no idea what desktop switching is, then you dont need it either.
  Spanky Co  
It's a multi-desktop tool. It has a nasty habit of freezing, stranding you on one desktop, if another application is unresponsive. [I've actually *detected* other malware due to it provoking this problem -- so in a sense HydraMD was helpful. Sort of.]

Rating chart

Summary: Average user rating of HydraMD.exe: based on 13 votes with 8 user comments. 9 users think HydraMD.exe is essential for Windows or an installed application. 4 users think it's neither essential nor dangerous.

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Best practices for resolving HydraMD issues

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

HydraMD.exe [all]