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Vako!,

ports 80 and 443 both ways

You should now be able to view all outbound connections that are being blocked by Windows Firewall. In all likelihood, it's probably svchost.exe being blocked from making TCP connections to ports 80 and 443, because from memory these aren't part of core networking rules. Also, if making a new rule for svchost.exe to allow outbound TCP connections to 80, 443, don't bind it to the 'Windows Update' Service, as that doesn't work anymore (at least not in Windows 8).

Windows Update and firewall