McAfee Registration Wizard – MCREGWIZ.EXE
We believe that mcregwiz.exe installs with McAfee Virusscan 8.0. It is used to register you product with McAfee. If it runs on system start, it's likely that you haven't done so yet. The best and easiest way to get rid of this file is to proceed with the registration.
Your antivirus program can only protect you against viruses it knows about. We'd recommend keeping your virus definitions up to date by visiting http://download.mcafee.com/updates/updates.asp.
Safe
http://www.mcafee.com