Cubase 8 Crash

When I open projects done in Cubase 5, the timing is screwed up and most audio files won’t play. Instead, I get a horrible “noise” sound and sometimes my Cubase Pro 8 crashes. Anyone know what’s going on?

http://we.tl/pBp1xKfDa5 - here’s a link of my Cubase crash logs from yesterday if this helps.