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What purpose does the 'nutmsg4.dll' file serve in Windows 2000?

During the boot up process my Windows 2000 machine is looking for the file "nutmsg4.dll." Is this file required to run Windows or to install a new application?

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NUTMSG4.dll is not a core operating system file but it could be a component of any number of applications or third party software. Poorly written software programs don't always install or uninstall correctly and can leave remnants behind in the Registry or startup files. I would start by running a Registry Cleaning utility, which will safely look for invalid entries. My favorite is utility is RegVac (, although there are many others.

This was first published in March 2004

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