I suspect they are actually talking about the modern/redistributable C/C++ runtime, not the old msvcrt.dll. Microsoft refer to the modern libraries as the "Mic

I suspect they are actually talking about the modern/redistributable C/C++ runtime, not the old msvcrt.dll. Microsoft refer to the modern libraries as the "Microsoft C and C++ (MSVC) runtime libraries", so shortening that to MSVCRT doesn't seem unreasonable.