Have you ever to uninstall SolidWorks fail ..? when you want to replace the latest version of SolidWorks .. ??
or when you unistall in installation manager still batch file is not deleted ..?
perhaps many cases and you can anticipate using additional software, etc.
I will give you some tips to remove the batch file that might not be erased.
Staying at just learn it, if it can be sure you like fiddling., Because this is a special service for SolidWorks. ..
Answered with a tutorial: https://grabcad.com/tutorials/tutorial-solidworks-uninstall-batch-file