Most likely, this is malware.
Open the status of the network connection, and while you're doing nothing, does the packet count keep counting up? If so, that's a big clue.
Please post a HijackThis 2.00.2 Log here.
Open the status of the network connection, and while you're doing nothing, does the packet count keep counting up? If so, that's a big clue.
Please post a HijackThis 2.00.2 Log here.