How to remove the ddemngr virus

Most antivirus programs identify ddemngr.exe as malware—e.g. F-Secure identifies it as Hupigon.gen83 or Server-FTP.Win32.Serv-U.gen, and McAfee identifies it as New Malware.dq or potentially unwanted program ServU-Daemon.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

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Ddemngr.exe file information

The process known as MSN Data Manager appears to belong to software DDEManager by Microsoft (

Description: Ddemngr.exe is not essential for Windows and will often cause problems. Ddemngr.exe is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 746,488 bytes. 
It is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The program uses ports to connect to or from a LAN or the Internet. The file is not a Windows system file. Ddemngr.exe is able to hide itself. Therefore the technical security rating is 70% dangerous.

Recommended: Identify ddemngr.exe related errors

If ddemngr.exe is located in a subfolder of C:\Windows\System32, the security rating is 70% dangerous. The file size is 838,144 bytes. The program is not visible. The ddemngr.exe file is not a Windows core file. The process listens for or sends data on open ports to a LAN or the Internet. It is located in the Windows folder, but it is not a Windows core file. Ddemngr.exe is able to hide itself.

Important: You should check the ddemngr.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 ddemngr issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active ddemngr process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the ddemngr.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. 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.

Other processes

ddemngr.exe [all]