TC could possibly stand for the Turbo C compiler for programming. By deleting I assume you're using the Programs and Features applet of the Control Panel since manually deleting folders is a recipe for problems.
I am deleting unused programs on my computer. Listed is one called TC which is 2070 MB. Support info only says it is version 1.00.000. I can't find anything in my programs folder called TC.
Google search hasn't found anything comparable (there is something called Total Commander but it's much smaller).
Does anyone know what it is and if I can delete it safely?