Citar0x0000006F: SESSION3_INITIALIZATION_FAILED
(Click to consult the online MSDN article.)
The process creation failure indicated by this error message can only happen during the fairly brief time that the Windows Executive is being initialized, which is during phase 4 of Windows startup. Typically there is a problem with a device driver or with a missing or corrupt system file used during Windows startup.
Troubleshoting Windows Stop Messages.
http://foro.elhacker.net/windows/troubleshooting_windows_stop_messages-t223422.0.html
http://aumha.org/a/stop.htm
Revisa el hardware, sobretodo el HDD que supongo tendrá su edad ¿no?