Your unlock patch seems to be wrong - so connect again to Setool,select Quick access and in misc put that patch again and when Setool ask to press YES or NO hit again YES - that should delete patch from phone.Download Simlock patch generator and with your main generate unlock patch for your firmware
@Fmyfriend
Try with this tutorial USB Flash Driver Installation - Guide - Top Sony Forums to reinstall drivers and follow 2 part(at start that part you have usb drivers - try to use them





