Google unable to open but all other sites are ok on VISTA

With Internet Explorer/Mozilla Firefox , I can browse all websites but only google. Tried all possibilities from Experts-exchange
I am using VISTA.
Some of the file details:
hosts file:
127.0.0.1       localhost
::1             localhost
Resetted Internet Explorer cache etc
Nothing worked.
My Mcaffee Antivirus showed in Recent Activity as follows:
SystemGuards have allowed a one-time change to your computer
Rule Type: Registry
Process: C:\Program Files\Internet Explorer\ieuser.exe
Process version: 6.0.6000.16386(vista_rtm.061101-2205)S-1-5-21....1003\Software\Microsoft\Windows\CurrentVersion\InternetSettings\ZoneMap\Domains\google.co.uk
But when i see the above location in registry there is nothing like that.



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