OSX Won't Boot

[KFriede]

I've had osx86 10.5.6 installed on my computer for a day. Restarted fine, the whole shazaam. I tried installing my CS4 programs, and it was taking forever to verify the mount before the install even showed up, so I clicked skip (or whatever the option is, can't remember the name word-for-word). It froze there, so I restarted my computer, which results in a known issue for my hardware, a kernel panic. When I tried booting again, everything up to the login was SUPER slow. Once logged in it ran fine though. So I tried rebooting again to find out what the problem was, in verbose mode this time. Problems keep getting progressively worse for some reason, and now won't go to login at all. Here is an (estimated) order of occurrences during boot.

 

>Bios POST slow. Boot/Login slow.  OS running fine after waiting.
>Restarted computer, gave error of failed overclock.  Tried booting again with basic settings, no go.  Failed overclock occurs often.  If I wait a few hours and come back to turn it on, it will start, shut down before POST, and start again, displaying failed overclock.  Happened 3 times now.  Leaving at stock.
>Verbose mode.  Showed error about MDSync Invalid Destination port.  Googled: Spotlight Error.
>After restart, USBEHCI Timed out.  iokitwaitquiet timed out writing kernel symbols. Been in AHCI entire time.
>"The Process has forked and you cannot use this corefoundation functionality.  Still getting MDSync error.
>Boots perfectly fast now, but does what's listed in attached movie.  Error at login: "login window application started -- threaded auth."
That^ is currently using verbose mode (gui does the same but blue screen just changes shade at same interval that error pops up).

 

A google search on the MDSync error came up with a bad spotlight, but that doesn't explain the progressively worse errors. How would I go about fixing this? I have a Carbon Copy on a USB hard drive, but I have no idea how to boot like that. My bios does support USB booting, but it hangs at a blinking underscore when it tries to boot. I have heard that Darwin supports this, but only my main Mac HDD shows up in the devices list on boot, not my external.

 

Thank you all ahead of time for your help.

 

Video mentioned earlier is Here