was also the old version of the windows debugger
came along. It shipped with Windows 3.1
and Windows 95
at the very least. (The EXE
name was drwatson
You could break into it, and have it monitor some basic system events. Whenever a Windows system dies, it shells out to a debugger (BSOD), rather than having it integrated into the kernel area. That would create some rather weird and hard to control dependancies.