will about 4months ago i started noticeing that every time i played my game bioshock while i was playing the game whould start to glitch when i was playing it whould kinda skip or pause for a secound but i ive with it for another three months until my xbox got the red ring of death so i traded in my xbox for a new one when i got my new one back 2 days agoo i thought this problem whould go away but it hasent every gam ei play now glitches like in oblivion it skips and glitches mass efect same thing even fable 1 but i have notice when it does glitch and skip its usaully add soemthing in the back ground like a mountain in oblivion or shadeing something in mass effect like a computer or a guys face and in fable it just freezez for a split secound well its getting really anoying every 10 secounds somehting skiping and frezing for a split secound or secound but i was just wondering if one of yo can help me with this problem and i know i didnt explain the problem very good but its hard to explain

oh and when i traded in my xbox they told me to keep the samehardrive the one that comes with prinuim version