i jst installed sc2 in another desktop in my house, but my update client wont update...the orange box on the top right which are suppose to show the update % is blank...den after a long wait the status box on the top left says finished and the play button is clickable, bt once i click, screen go black (assuming the game is starting) but it jump right back to desktop, saying starcraft 2 needs an update.....help? tat dint happened during my first installation in my laptop...my desktop is running on vista while my laptop is running w7...help appreciated