2005: SSPI library problem

[R.A.M.]

Some application I need cannot connect to my SQL Server 2005 Express Edition
because of the following problem:

java.sql.SQLExc eption: I/O Error: SSO Failed: Native SSPI library not
loaded. Check the java.library.pa th system property.

I am beginner. Could you help me please? I don't know what to do.
Thank you!
/RAM/