What is NetDDE.exe?

Netdde.exe is the image name for the Windows Network Dynamic Data Exchange server. The Network Dynamic Data Exchange server is an extension of Windows' built-in Dynamic Data Exchange, which is a technology that Windows programmers can use to make their applications communicate between each other. This network extension was created by a company operating out of California named Wonderware. According to this Wikipedia article, parts of NetDDE were licensed by Microsoft from WonderWare and included in Windows versions from Windows for Workgroups all the way to Windows XP.

Troubleshooting netdde.exe errors

Although netdde.exe is a benign system component, it may still cause your PC errors. If you're running Windows 2000 and the applications on your system are making heavy use of the Network Dynamic Data Exchange server, netdde.exe may cause an access violation. According to this Microsoft Knowledge Base article, netdde.exe access violations on Windows 2000 can be resolved by installing the latest service packs to your Windows 2000 machine. Other errors related to netdde.exe are very rare, since netdde.exe is seldom running on modern computers. If you have other errors that mention netdde.exe, ddeml.dll, or nddeagnt.exe, ensure that all of your software is up to date.

Should I be worried if netdde.exe is running on my system?

Since netdde.exe is part of a system component, you don't need to be concerned about it doing harm to your computer. If you're an avid fan of Microsoft Hearts or WinChat, note that both of these programs rely on the NetDDE server.

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