scaning wrongs

module:eset smart security
version:release candidate 1 3.0.414.0

i made a scan in windows vista operation system with nod 32 smart security (release candidate 1)in an infected cd-rom
the cd-rom was found clear according to nod 32 scan.
i scan the same cd now in another pc which was running windows xp home with another antivirus-spyware-firewall programme
and it found 4 infected items with the following virsues:
1)backdoor.pcclient.gv
2)spyware.hidenwindows.I
3)trojan.agent.abna
4)spyware.tool.agent.fc

I think that the filles which were infected was all in sfx and rar files.

please let me know. my mail is glykiotis_3@hotmail.com