Oracle Database Discussions

Hi,

I'm not expert in Oracle or DB, I'm just network Engineer looking for some help for a databse problem.

I have the following message on the client pc. Can you explain me what 's the problem with the database? Is it possible to get this message with a network problem?
Reegards,

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Fatal NI connect error 12560, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=BEQ)(PROGRAM=oracle)(ARGV0=oracleORCL)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))'))(CONNECT_DATA=(SID=ORCL)(CID=(PROGRAM=C:\Melodie\Melodie.exe)(HOST=ETC8)(USER=Etat-Civil))))

VERSION INFORMATION:
TNS for 32-bit Windows: Version 8.1.7.0.0 - Production
Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version 8.1.7.0.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 8.1.7.0.0 - Production
Time: 01-MAR-2007 08:29:13
Tracing not turned on.
Tns error struct:
nr err code: 0
ns main err code: 12560
TNS-12560: TNS : erreur d'adaptateur de protocole
ns secondary err code: 0
nt main err code: 530
TNS-00530: Erreur d'adaptateur de protocole
nt secondary err code: 126
nt OS err code: 0