Contrary to what one poster said here, Windows Live OneCare is NOT garbage.
I had the problem (which I believe is the same here) where when I upgraded
to Vista Ultimate and I turned the Windows Live OneCare firewall ON I lost
all connectivity. When I turned the firewall OFF I got it back again.
So, while I was passing e-mails to OneCare about this problem, I was using
the Vista firewall instead along with all other OneCare features to remain
reasonably safe. OneCare advised me to uninstall OneCare and reinstall after
reboot. I did this and turned the OneCare firewall ON and again lost my
Internet connection.
But wait, I had a thought! I did have the Vista firewall on and did not
turn it OFF when I uninstalled OneCare's firewall and reinstalled it. So,
this time I uninstalled OneCare again, TURNED OFF the Vista firewall,
rebooted my computer, and reinstalled OneCare. When I turned the OneCare
firewall ON it WORKED! No lost connectivity.
So, be aware that Vista has its own firewall, which I believe is on by
default. Just turning it off and turning OneCare's on doesn't work - Vista's
firewall has to be OFF during installation of Windows Live OneCare.
"khaan23" wrote:
> I discovered that Windows OneCare Live is the culprit; I uninstalled the
> existing installation, rebooted, and everything started working just fine.
> Downloaded it again, installed it - the connectivity went away again, so I'm
> uninstalling it again as I write this.
>
> My other Vista computer is running OneCare Live without any issues so it's
> still not clear why it's misbehaving on the newer installation - but if I
> figure it out, I'll let you know.
>
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> http://windowshelp.microsoft.com/com....vista.general