I know there have been some recent changes on the website maker servers - try emptying the cache from your internet browser. Not sure if that would help though. If it doesn't then it sounds like there might really be a problem - you can write to tech support and they'll check it out for you:
Yes I'm having problems with this too. It gets to the Transfer Data screen then just sticks. If I try to close it the program not responding message comes up and everything freezes for about five minutes. Haven't got a solution I'm afraid I've just kept trying till it does work. Takes ages though.