There's a DLL in the system directory called MSVCRT.DLL, and from its name, you might think that it is the Microsoft Visual C/C++ Run-Time library. That is a perfectly reasonable guess. But it would also be wrong. The Microsoft Visual C/C++ Run-Time libraries go by names like MSVCR71.DLL or MSVCR80.DLL or MSVCR90.DLL or MSVCR100.DLL, and ...