This could be a 3rd party security software issue. Or try this post.
Vista Network Discovery is grayed out
2 posts - Last post: Dec 18, 2007Can't turn off Vista Discovery and
Sharing
http://www.chicagotech.net/netforums...hp?p=4146#4146.
Vista: Sharing is grayed out ...
http://www.chicagotech.net/netforums...pic.php?t=2538
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Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"KRK" <> wrote in message
news:...
> Hello
>
> I have set up a wireless network on my desktop pc so that I can read its
> files from my laptop. I want to share files via the Public folder.
>
> In Network & sharing centre I find I cannot turn off ' file sharing ',
> all options are greyed out. Network discovery is on and so is public
> folder sharing, all else is off.
>
> Can someone advise me pls
>
> K
>
>