This error can be caused by several factors.
Verify other anti-virus programs are not installed in control panel & C:/program files & common files.
Uninstall and Reinstall mcafee products using the removal tool from HERE (NOTE: This tool is not compatible with Microsoft Windows 98 or ME.)
And resinstall the products from you account page in http://us.mcafee.com
IMPORTANT: If your McAfee products were preinstalled by the manufacturer of your computer, ensure that you activate your McAfee subscription before uninstalling.
sorry for the delay in responding back, everything worked fine....again thanks for the help
Glad to hear that your issue is resolved. Do report back if any other issues.