I have no idea what happened. I was useing MAC os x 10.5.8. Everything shut down, I didnt have any disks to open it back up except for 10.3.5.I used that to get it going again and was able to downloaded 10.3.9 from some apple site but I am unable to download anything else to get me back to 10.5.8. What can I do????I can not get to my e-mail or much of anything because they were all created in 10.5.8.