S songwk Active member Joined Dec 16, 2013 Posts 32 Dec 16, 2013 #1 Hi, Ever since I upgraded my Surface Pro from Win8 to Win8.1, I start facing error code 0x80072f8f whenever I open my WinStore :huh:. Now, the WinStore is basically useless :banghead:. I have tried all sorts of ways that I found from other forums but still could not resolve. I hope someone can help me out. Thanks a lot in advance. Song.