Default Root Xperia S 6.2.B.1.92

Hi
I'm having truble rooting my Xperia S Jelly Bean 6.2.B.1.92. But when ever I run "DooMLoRD_Easy-Rooting-Toolkit_v18" it sas "can't find path"
If anyone can help that wold be helpfull

/Isak