it's say that my imput is invalid, very strange, i'm sure i've copied my private key in a right way
Did you follow the instructions on the first page of the thread correctly?
yeah, i've repeated it multiple times, but still nothing
Make sure you combine your saved Privkeypart with this Privkeypart, 5J57iGPWsgbqoneN2VwmUQtVhx6Xzp5uSSXevmfZTTGPxR1EeXY.