sure i obtained it legally, have it like for 5-6 years, and i if i dont apply something special to the game i can play without any problems, but cause of the old graphic i wanted it better looking and so i applied the 2.5 remix patch which includes all updates i wanted =)
the problem is i dont know which scenes these are, i happened when cloud told story about sephiroth and cloud is in nibelheim. when i entered some houses there i turned black and i had to press "ok" a few times (like their is a dialog) and then it went normal again. And this happened to in other places. Sometimes if seen a box blink up and then it went black, but its not abrupt, its fading, like their would come a movie or something, but there isnt... its hard to explain xD it doesnt happen all to often to, but i just feel i miss some important things. Most of the movies went trough without a problem.
Same with the black screen happened in "under junon?" when i rested in the bed at the old hag, seemed like cloud had a dream but it was all black. hope this was more specific.
Maybe i try reinstall it again (like the last 3-4 times when i had problems)
but maybe its something else, perhaps just graphic changes