I log on to minecraft. This thing comes that says that there is a new update available (obviousely 1.2). I click "Yes" and it says "Determining packages to load" for a second, then "downloading packages" for another second. Then it says:
The server and the forums are under heavy strain at the moment, so things like this failing are given. On the bright side, if you wait a few days there will likely be more bug fixes so the game will work better once you do update. This is one of the reasons why updates are voluntary.