Help me with LG 2x SU660

[Guest ebalmeo]

i have problem with my LG 2X SU660 it have GB V20F

i cant root my phone, i just install CWM using nvflash and download the SU.ZIP

here is the problem:

"external CWM-based recovery v4.0.1.5

-- installing: /sdcard/su.zip

finding update package...

opening update package...

installing update...

E:error in /sdcard/su.zip

(status 0)

installation aborted."

what should i do