OK I am having the same problem. I get the error code 06 when booting up with my modded xbox. I am using the xecuter 3 chip with avalaunch dashboard. I can not even load a cd or get to my dashboard without booting to error code 06. Last time the hard drive was accessable I was using config magic and i think i reset all the info to 0's. Now i cant even boot to my X3 config menu when holding down the WHITE button when booting up the box. Oh and I am using a 250 GB western digital hard drive that supports locking. I restored my original retail hard drive and that works just fine. Please help me!!!!!!!! I am forever stuck at error code 06!!!!