BSoD when I unplug my Portable USB HDD

I have a SP3 comp
everything works perfectly, including my portable HDD, until recently I unplugged it while it was installing an update, and i got a blue screen.

same issue as(even same error msg)
http://www.experts-exchange.com/Hardware/Desktops/Q_24164678.html

except my HDD is portable IDE, and not SATA
i decided to hotswap it, and after a period of extended use(works fine if u just plug it in and unplug it within a few mins), BSoD comes up.