Can't swipe from the left

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http://forum.xda-developers.com – Hey guys I have a issue with my surface already. As you can tell from the title, I can no longer swipe in from the left hand side..therefore I can't switch between the various applications I have open. Swiping from every other side works fine. Even when I rotate the tablet, no matter which direction, I cannot swipe In from the left. Any help would be greatly appreciated. Sent from my Windows 8 device using Board Express (HowTos)