The n50res.dll file belongs to Nostromo Array Programming Software from the Belkin Corporation. The Nostromo Array Programming Software is a set of tools that amplify game experience when using the Nostromo Game Controllers.
The n50res.dll error message means that a program tried to open up n50res.dll and could not. This is known as a registry error. Registry errors are extremely common. They will affect every computer at some point, unless you do something about it. Cleaning the registry on a regular basis is the only form of prevention.
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