I just purchased oblivion GOTY edition for my computer, I know the game's a bit old, but it was cheap. When I went to install it last night, whenever I inserted the disc, the computer made a clicking sound like it shut off and then the blue screen apeared and said bad_pool_header, I restarted the computer and tried to reinsert the disc, and it did the same thing, I restarted again and inserted the disc, but this time it worked, I managed to install it and I played it for two hours without any problems. I shut the computer down and this morning I tried to play it and the blue screen kept popping up still reading bad_pool_header. Can anyone help me with my problem?