I downloaded the pre-purchase from Diablo 3 website last night. The downloader showed that finished downloading with 7.6GB on the bottom, but the window was kept on with [cancel] button active continuously without any other message, and HDD kept running fast for several minute afterwards, so I just closed the downloader. I found several files under the designated directory, and tried the setup file. An error message popped up, which I think because it's not a launch day yet. Yet I feel like something not finished, since there was not a clear message like saying that I am ready and it will be playable on launch day. Can someone confirm this is just usual, or am I missing something?