message iavalid password
i using centos 5.5 i have applied grub-md5 password to avoid to go single user mode and what happened someone knew this password then i have applied a new grub-md5 pawword and try to go to single user mode of the purpose
it is working or not then message comes invalid password
and i also try to previous password same message was on the screen right now i m unable to go single user mode and i have deleted it grub.conf and try to go single user mode then i m able and i again applied the grub-md5 password and try to go single user mode then same message invalid password why it is happning and what should i do ahead
some help me plesae....