I can install minion. I can update my addons, but when I close the thing disappears. The install folder, any shortcuts made vanish. I can find them while the program is running. I've installed and updated a couple of times now and every time "poof".
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"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff, The Tao of Pooh