Default [Q] Need help with Lg D-805 urgently

hi everybody i flash this morning this rom (http://forum.xda-developers.com/show....php?t=2665985) and when i was flashing this trought an error iqual like the SuperSU, i reboot my device and the touch doesn't work!! i need help i don't no how i can do an downgrade. i'll be so happy if somebody help me