I moved this from VirusScan 11 to VirusScan 13 as the old one is obsolete.
What protection software did you have installed prior to this?
What operating system and service pack is this?
Can you verify that VirusScan is, in fact, installed by double-clicking (or right-clicking) the taskbar icon, opening Security Center and then click "About" at bottom right corner. Post the versions from each module please.
Enable Windows Firewall. Make sure you don't have active scanning turned on in any anti-spyware programmes you may have installed. Then do the following. Sorry it's the only solution I can think of right now.
I assume you have IE7 installed. Go to IE7 Tools/Internet Options/Advanced and click Reset and then Apply/OK.
Close and reopen IE7 and reenable any add-ons you need - probably all of them under Tools/Manage Add-Ons
1. Uninstall all McAfee programs through "Add or Remove Programs" in Windows "Control Panel".
3. Launch Windows Explorer and delete all McAfee files in "Program Files" but especially in "C:\Document and Settings\<user>\Application Data" and "C:\Document and Settings\All Users\Application Data". You have to set Windows Explorer to show all hidden files and folders (Tools > Folder Options > View tab). Just delete the McAfee folders even if they are empty in all the "Application Data" folders. Can be more than one! Don't worry if you find none, it just means that MCPR did its job properly.
4. Reboot and redownload/reinstall your McAfee products directly from your account at the McAfee web site NOT from any CD that you have.