I've just installed vista home premium x64 and upon trying to activaterecieved' Error Code 0x80072F8F' as the reason for it's failiure. I then tried to doWindows Update and this returned the same error code. There is also a problemwith web certificates and the Phising filter doesn't work due to Microsoftnetwork being unavailible. This has never happened in previous installationsand urgently needs fixing as I only have three days left to activate.   read more »