EFI Problem after windows 8.1 installation

Hello,
I already made thread about this issue to macrumors, but yet I haven't found a solution. So after windows installation I have now two windows entries at EFI.
My computer is 15" late 2013 rMBP.
In this thread I have been described the problem:
http://forums.macrumors.com/showthread.php?t=1669664

Re-installing windows solved the problem. Now I am good to go

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