"Windows\System32\config\system" file missing or corrupt
1) BOOT used WINDOWS SETUP CD and enter "recovery console" by press "R" button. Log to Windows Installation and press admin password... then give command at prompt like this:
copy %windir%\Repair\system %windir%\System32\Config
if nothing happen...
2) once again BOOT to Recovery Console and give this commands:
try this guyz if nothing happen u can ask by emailing me...