Cracked versions of physics-intensive games like NejicomiSimulator Vol.5 often have stripped DLL files. This results in:
Without more context or a clear identification of what "nejicomisimulator" refers to, it's difficult to provide specific advice. If this is a simulation game or software related to a specific niche (e.g., medical, engineering, or educational simulations), there might be official versions or free trials available on the developer's website or through educational platforms.
If you are looking for a experience, you have three safe options: