I wonder if this has come through to the list. So I am resending it. Regards, Smart -----Original Message----- From: Smart Eze [mailto:smart.eze@xxxxxxxx] Sent: 02 February 2011 11:09 To: 'jfw@xxxxxxxxxxxxx' Subject: MS Security Essentials Setting Hi all, To which level should I best "limit the CPU usage during scanning" in the settings? I see that 50% has been recommended. But I wonder if this is optimal. Thanks a lot for any help. Regards, smart