Am also having same problem, receiving this error message:
Task 'pop.communityspeak.org - Receiving' reported error (0x80040900) : 'The server name you entered can not be found on the network (it might be down temporarily). Please verify that you are online and that the server name is correct.'
Am on win xp, office 03, Zone alarm, spybot, AVG virus...and on LAN.
Its v v frustrating!!