I've been racking my brain for days over this and pouring over discussion forums all over the net and cannot seem to find a solution. After launching the Lion installer via OS X 10.6.8, my system reboots. At around when the installer says 30 minutes are remaining, the installation errors out, complaining that the "recovery system cannot be created". My only option at this time is to reboot. I've repaired disk permissions, I've run "repair disk" in Disk Utility using the installed Disk Utility as well as DU that is included on the Snow Leopard installation disk. I'm not using boot camp or anything like that and my drive has a single partition with 76 GB+ of free space. Not using RAID. Everything looks good on paper. My system is an iMac Intel Core 2 Duo with 4 GB of RAM. Any ideas?