mumaker connect failed

I cannot connect to my server which is on the same pc as my mumaker, maybe the problem is that i am using sql 2005? and i'm in 64 bit pc.

on sql 2000 mumaker worked...

---------- Post added at 09:15 PM ---------- Previous post was at 08:31 PM ----------

OMG why noone's answering?

none is answering cus u didnt put any SS of ur problem
also on sql 2000 if it worked then do same things like u did to sql 2005 and it will work?

dosn't work... error 40 something does anybody knows?