umount: /cow: not found

[Justf]

OK i've used Ubuntu with no problem on this system and now i want to try linux MCE, i got the quick install DVD iso burnt it to a dvd RW, instaltion started fine, through out the tar's and all, it says "INSTALLATION COMPLETED" the screen goes blank than theres a BEEP! and i get ....

Usplash: No usable theme found for 1024*768
  * Unmounting temporary filesystems
umount: /cow: not found ................................ fail

  * deactivating SWAP.......................................OK
  * unmounting local filesystems

umount2: device or resource busy
umount: /cdrom: busy - remounted read-only
umount2: device or resource busy
umount: /rofs: busy - remounted read-only

mount: Function not implemented

* casper is resyncing snapshots and caching reboot files
Please remove the disc and close the tray (if any) and press enter...

i press enter it reboots and file system not found please insert disk etc.. shows up and angers me!

my system is an Intel D945GNTL board with a Pentium D 3.00GHZ processor, 1GB of ram a samsung 80GB IDE hard drive.  also i'm using the on board 128MB "lintel integrated graphics" at the moment.  is there a way i can fix and or get around this?