Download: Wireshark 1.00 - Network Observation
For analysing network problems Etheral proved it's worth. By now this tool is called Wireshark.
But Wireshark has got a lot more to offer than simple diagnostic functions. It is supporting most for the current network protocols and displays collected data by a graphic interface. You are even able to monitor USB and Bluetooth connections.
MSI Afterburner 4.3.0 Final: Geniales Tweak-Tool für Grafikkarten im Download