I would get the latest signed driver (v6.193.430.2007) from the Realtek
site, found here (rather than using Windows Update):
http://www.realtek.com.tw/downloads/...Downloads=true
For Vista, choose 6.193 (2007/5/11), under the Version column.
"Stuart Forshaw" <stuart@discussions.microsoft.com> wrote in message
news:O%2376mQhnHHA.1904@TK2MSFTNGP02.phx.gbl...
>I hope this proves helpful to all.
>
> We received yesterday via Microsoft Update an updated driver for Realtek
> RTL8139 series ethernet NIC cards v6.103.126.2007, which we duly accepted,
> downloaded, reboot etc.
>
> However we noticed that connection to the internet was slow to say the
> least and downloads either would not connect or took for ever and a day to
> receive. Consequently we rolled back the driver to version 6.101.1124.2006
> all appears fine again.
>
> Today we have had 5 customers contact us to say they had an update
> yesterday and now they either cannot connect or connection is very slow.
> On investigation we found that they had also had the Realtek download via
> Microsoft Update and having rolled back the driver in all cases,
> connections are now back to normal.
>
> I hope this helps anyone who is now experiencing similar problems.
>
> Regards
> Stuart
>
>
>