well i bought and put together a computer and am going to use the RC untill the final version is out anyways back to the problem... I loaded 64-bit on to a dvd and started up my new PC everything was looking good then all of a sudden an error message came up and i couldnt do anything so i was going to restart and try again but everytime i start up now all i see is the "BOOTMGR is missing" message and i cant load from the disk i set my bios to load the CD/DVD first and the message still comes up i can access my bios can anyone help.