I have the solution

I must edit group, shadow ..... files in minirt.gz

The files that i edit:

minirt.gz
---linuxrc
---links in minirt (ls -ls)
---fstab
---shadow
---group
---passwd

/etc/suoders
/etc/groups
/etc/shadows
/etc/automount.sh
/etc/knoppix-autoconfig
/etc/passwd
/etc/X11/Xsession.d/45xsession
/etc/init.d/xsession
/etc/init.d/knoppix-autoconfig
/etc/init.d/knoppix-halt

Hope that helps

cu

Linuxgamer