I believe WinCE was a "new" (or at least different) OS. it sort of had Win32 like APIs on top of it, but the core was fundamentally different than NT. They on

I believe WinCE was a "new" (or at least different) OS. it sort of had Win32 like APIs on top of it, but the core was fundamentally different than NT. They only sort of got things moving in the right direction (only to then abandon it) when they had their mobile platform on top of the "normal" (pared down) NT stack.