Hi, really thans for your reply.
What ISP Service do you have? Cable or DSL? DSL
What ISP Modem do you have? Stand Alone or built in router? BUILT IN ROUTER
Ensure DNS IP addresses are being filled in under Setup/Internet/Manual? I'VE FILLED IN MANUAL
Turn off Advanced DNS Services if you have this option. OK
Turn on DNS Relay under Setup/Networking. OK
Setup DHCP reserved IP addresses for all devices on the router. ALREADY SET
Ensure devices are set to auto obtain an IP address. YES
Set Firewall settings to Endpoint Independent for TCP and UDP. OK
What wireless modes are you using? MIXED
What security mode are you using? WEP, WPA or WPA2? WPA2, FOR TEST OPEN
What wireless devices do you have connected? XP, AND VISTA
Any cordless house phones? NO
Turn off all anti virus and firewall programs on PC while testing. DONE
Turn off all devices accept for one wired PC while testing. OK
regards,
Francesco