I have just installed Steam on my computer. However, whenever I try to update it (first time use), it just displays the update window, sits at 0% and then vanishes a couple of seconds later. I did an uninstall/re-install and re-downloaded the installer and did the same thing, but these don't work. I'm sure Steam never updates at all since it refuses to run, and just keep displaying the update window when I try to launch Steam.
I use Windows 7 Professional 32-bit on MacBook 13-inch dual-boot.