More Info:
The problem seems to be in the CuteChat.SqlClient.ConnectionString.
I changed the userid in the ConnectionString key to be my personal id (which is set up on the db) and left the CuteChat.SqlClient.ConnectionString set to lsux730 (which is also set up on the db).
The error message I get is that "Login Failed for lsux730" (not cudell - my login id).
HELP!