TRW2000 - Version 1.02 A system-level advanced debugger running on Windows 9x. What is system-level? It means that TRW2000 is bewteen OS and hardware. So, TRW2000 can debug/trace any code that is running on Windows(DOS COM,DOS EXE,DOS protected mode,16bit NE,32bit PE applications,and ring0 kernel VxD,WDM.