maybe wipe out the whole drive? It happened to me once. I did a complete clean thing using tech tool pro. it somehow deleted all the folders in my hard drive and put all the files into the hd icon. so, I booted into 9, wiped everything,a nd started anew. and here i am today. Well, maybe just (somehow) unistall all the mac os x stuff (folders and what not) while in 9? I don't know, wait for some other users to reply.