Follow my instructions below, ALL of them ;)
1. Uninstall all mcafee products and switch to a better Antivirus program, and a better Firewall program.
- it appears its been giving you troubles for awhile anyhow.
- try and stay away from the "suites", and go with different AV and Firewall protection.
I personally like AVG antivirus, and using a router as my firewall.
See here for more antivirus and firewalls: http://forums.techguy.org/t110854.html