What happens when you try Safe Mode Options (F8)?
When does this error appear?
If Windows won't boot into Safe Mode you are left with the Toshiba Recovery Options.
Do you know what they are? Do you have Recovery Disks? Do you know if there is a Recovery Hotkey?
Toshiba Support:
http://www.csd.toshiba.com/cgi-bin/t...su_sc_home.jsp