The file c1.win.c1spell.ni.dll was made by ComponentOne LLC and is part of ComponentOne C1Spell, a Microsoft Visual Studio plugin spellchecker. Visual Studio is a software package that helps programmers create new applications. This file might exist on your computer as a part of Visual Studio, or it may be used in a program that was developed using Visual Studio.
In the latter case, trying to figure out where the file belongs could be a daunting task. If you get an error that lists this file, it could be nearly impossible to pin down exactly where this file belongs. Rather than spend all day trying to figure out what caused the error, you could just run a registry cleaner and fix it immediately.
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