microsoft launches an antivirus
It can be seen as a good thing that Microsoft launches this antivirus. For the moment it seems that it will be free for some time, although there seems to be much doubt and mist about its future. For the moment it seems that the antivirusupdates will be done monthly.
For me, this would just be fine. If the millions of posts without any antivirus would get one with a windowsupdate or a new installation and would get protected every month, than a whole bunch of old viruses coming back all the time would be gone. Last month a hospital network in Asia cracked down under a slammer attack (from 2003.......)