cant login to win2k

[natbeys]

i was editing the local security settings in win2k when i added Everyone(user/group).now i cant logon to my win2k! when i provide a pass to logon i get this msg:
The local policy of this system does not permit you to logon interactively.

how do i correct this now?
the pic was taken in winxp for eg.,

[DVNT1]

one method: http://www.jsiinc.com/subg/tip3300/rh3361.htm

Is this a domain or workgroup environment?

[natbeys]

workgroup

[natbeys]

can u tell me where can i get the Secedit.sdb file?