Hello, sorry for my bad english. I have a big problem with StartIsBack!+ and Windows 8.1 x64 After installing StartIsBack!+ i try shutdown Windows but after shutdown the PC, it starts automatic (power on). I try uninstall StartISBack and it works correctly. After new install StartIsBack, shutdown dont work. Im testet with three clean installs Windows 8.1 ON WINDOWS 8.0 IT WORKS VERY FINE! Here my System: Newest StartisBack!+ Windows 8.1 Pro x64 Intel Xeon E3-1230v3 nVidia GeForce GTX 560TI AsRock Z87 Pro4 32GB DD3 RAM 1x 250GB Samsung EVO SSD 1x 500GB HDD Important: i use a buyed Version, not demo or illegal copy, i can send you my PayPal Transfer Code.