Help for clearning virus

I just formated my PC. However, virus was found. Information is as following. Could some one tell me how to clean it? I have updated my operatting system. In addition, I alread installed Norton Antivirus software.

Thank you very much.


Scan type: Realtime Protection Scan
Event: Virus Found!
Virus name: Download.Trojan
File: C:\WINDOWS\system32\o
Location: Quarantine
Computer: CSU-JMFU
User: SYSTEM
Action taken: Clean failed : Quarantine succeeded : Access denied
Date found: Sat Oct 30 11:01:07 2004

所有跟帖： 

• pls check the followings -tcatcat- ♀ (145 bytes) () 10/30/2004 postreply 22:26:34

• Thank you very much -BlackEagle- ♀ (0 bytes) () 10/30/2004 postreply 23:03:51

• 試以下我的 建議 -瓜瓜- ♂ (350 bytes) () 10/31/2004 postreply 08:03:43

• Thanks a lot -BlackEagle- ♀ (197 bytes) () 10/31/2004 postreply 09:22:14