Hello,Try completely removing it first.
McAfee Consumer Product Removal Tool (MCPR.exe)
The uninstaller software removes all traces of editions 2005, 2006, 2007, 2008, 2009, McAfee Total Protection, McAfee Internet Security Suite PC Protection Plus VirusScan Plus Wireless Protection.
McAfee Consumer Product Removal Tool: MCPR.exe IMPORTANT:
If your McAfee products were preinstalled by the manufacturer of your computer, ensure that you activate your McAfee subscription before uninstalling. Reinstalling from a CD or download only installs your McAfee consumer applications, but might not recover your paid subscription term information.
Edited by boopme, 18 October 2009 - 02:27 PM.