I had to upgrade my HD due to data corruption on my initial hard drive so I reinstalled SL with no issue on a new drive. Did a data migration of my previous data checked everything for restore. Rebooted the computer using iBoot CD after migration. I get an error related to software update needing Rosetta to be installed, I belive this has to do with my previous data. I restarted computer and rebooted using iBoot CD. Starts up fine and I log into computer. I attempted installing 10.6.7 update and Multi-beast. I get same error with software update needing Rosetta. I stop the 10.6.7 update and Multibeast and attempt installing Rosetta via Install DVD that I have on a USB drive. The moment I plug in the USB drive The screen Kernel panics, I power off the computer via power button. When the computer get's to OS X login screen my wireless KB and mouse via usb dongle are not working. I power off computer by power button and plug in a wired mouse. I watch as the mouse's red light stays illuminated all the way up to Chameleon and then when it switches to the gray OS X boot screen the red light turns off. I am thinking the OS is turning off USB somewhere during boot, Is there anything I can try short of re-installing OS again. I tried booting with -x switch but computer crashes during boot.