Who can tell me what would be the very best antivirus software?

Kapersky

Who can tell me what would be the very best antivirus software?microsoft office

Read.

Who can tell me what would be the very best antivirus software?norton antivirus

No anti virus program will get 100% of everything. I use AVG Free and have never had any problems.It gives you updates about once a day at what ever time you choose and if it can't get rid of the problem it will isolate it so it can't do any harm to your system.You can get it free at www.filehippo.com
norton 2007
antivir antivirus-best one
Mcafee has less problems then Norton does so I would say try Mcaffee .
Kaspersky detects everything
read this test and decide:

http://www.10ts.com/reviews/antivirus-te...
norton 2007.

haven't had a virus yet with it.