I've just let it run the network diagnostics and this time it has come up with
'windows cannot connect to the internet using http, https,or ftp. This is probably caused by firewall settings on this computer. check the firewall settings for the http port (80), https port (443) and ftp port (21).
Wireless - Ad-hoc network
Wireless - Less preferred
Wireless - 802.1x enabled
Wireless - Configuration mismatch
Wireless - Low SNR
info IrDA protocol is not found in Winsock catalog.
info All base service provider entries are present in the Winsock catalog.
info The Winsock Service provider chains are valid.
info Provider entry MSAFD Tcpip [TCP/IP] passed the loopback communication test.
info Provider entry MSAFD Tcpip [UDP/IP] passed the loopback communication test.
info Provider entry RSVP UDP Service Provider passed the loopback communication test.
info Provider entry RSVP TCP Service Provider passed the loopback communication test.
info Connectivity is valid for all Winsock service providers.
Network Adapter Diagnostic
Network location detection
info Using home Internet connection
Network adapter identification
info Network connection: Name=Local Area Connection, Device=Realtek RTL8139/810x Family Fast Ethernet NIC, MediaType=LAN, SubMediaType=LAN
info Network connection: Name=Wireless Network Connection 2, Device=Broadcom 802.11g Network Adapter, MediaType=LAN, SubMediaType=WIRELESS
info Network connection: Name=Internet Connection, Device=Internet Connection, MediaType=SHARED ACCESS HOST LAN, SubMediaType=NONE
info Both Ethernet and Wireless connections available, prompting user for selection
action User input required: Select network connection
info Wireless connection selected
Network adapter status
info Network connection status: Connected
HTTP, HTTPS, FTP Diagnostic
HTTP, HTTPS, FTP connectivity
warn FTP (Passive): Error 12031 connecting to ftp.microsoft.com: The connection with the server was reset
info HTTP: Successfully connected to www.microsoft.com.
warn HTTPS: Error 12157 connecting to www.microsoft.com: An error occurred in the secure channel support
warn HTTPS: Error 12029 connecting to www.passport.net: A connection with the server could not be established
warn FTP (Active): Error 12031 connecting to ftp.microsoft.com: The connection with the server was reset
error Could not make an HTTPS connection.