Separate names with a comma.
Found it after checking the update.log, it was my proxy which I've never had issues with before, thanks =P
Possibly. I've shut down any antivirus and made a Windows firewall outbound rule giving the setup exe full access but I'm still getting the error.
I've bought the alpha, run the setup exe as administrator (Windows 7 64x), install finishes, I enter my key and get the same error every time....