Hi
Please click Start > Run and type in: services.msc
Click OK
In the Services window find: McAfee McShield (McShield)
Select/highlight and right click the entry, and choose: Properties
On the General tab, under Service Status click the Stop button
Beside: Startup Type, in the drop menu, select: Disabled
Click Apply, then OK
Repeat step for McAfee Personal Firewall Service (MpfService)
Now, go to Start > Run, and copy/paste the following into the Open box:
sc delete McShield
Click: OK
sc delete MpfService
Click: OK
Reboot
Post a fresh HijackThis log