Default Flashtool + kk problem

This is the thing after flashing for first time kk. On flashtool pc is not recognizing my g2 so I can't 're flash it.... any idea?

Enviado desde mi LG-D806 mediante Tapatalk
SKA RULES


Mobile Phone: LG G2 D-806 Argentina Tierra Del Fuego
ROM: Stock argentinean firmware
Kernel: Default
Radio: Default
Recovery: ------