For all the people who have issues with SK not runninf properly, please troubleshoot on your own before coming here. The Gamemasters have enough work on there hands, and we shouldn't give them any more. Here are some recommendations for you to troubleshoot on your own:
Reboot
A lot of the time your computer just needs a break, so just reboot. Don't worry, its time well spent because you wo t lose anything during the 5 Mins it takes to reboot.
Force update