The c1.win.c1spell.dll file is part of ComponentOne C1Spell from ComponentOne LLC, a plugin spellchecker for Microsoft? Visual Studio. ComponentOne makes plugins that are integrated into other software, and Visual Studio is software for creating programs, so you may end up with this dynamic link library on your computer as part of another program.
This can make it extremely difficult to figure out where this file should be, and why an error might list this file. If this file pops up in an error message, one option you have is to reinstall every program you have that might have been created in Visual Studio. A better option is to run a good registry cleaner like SpyZooka to fix the problem.
SpyZooka offers a 60-day risk free guarantee that it can catch 100% of the registry errors on your computer and fix them. If you aren’t happy, you get your money back. So, if you are having problems with files that are hard to pin down, you can try SpyZooka with confidence.