Re: "So what could possible go wrong?"
> There's nothing wrong with the spelling. The grammar, on the other hand, could do with a bit of work.
No, in this case it is likely a spelling error ("possible" instead of "possibly"). I have little doubt that, as an educated native speaker, Andrew has used an adverb--it just happens that he misspelled it in a way that results in a common adjective.
Biting the hand that feeds IT
