Sounds like a better version of the old MS-DOS DEBUG.EXE to me, which for some reason I saw fit to use on explorer.exe on my dad's old WinBook XP running Window

Sounds like a better version of the old MS-DOS DEBUG.EXE to me, which for some reason I saw fit to use on explorer.exe on my dad's old WinBook XP running Windows 95 back in the day...