Xperia z flashing error


I HAVE SONY XPERIA Z C6602 IN PROBLEM VIRUS INFECTED AUTO WI FI DATA ON

SO DECIDE TO FLASH WITH FLASH TOOL

INSTALLED LATED VERSION OF FLASH TOOL Flashtool Version 0.9.19.10 built
FLASHED WITH LATEST FIRMWARE 10.7.A.0.222 / R1E INDIAN REGION

WHEN START FLASHING ITS GIVING FOLLOWING ERROR
16/022/2016 12:22:43 – INFO – Flashing data
16/022/2016 12:22:54 – ERROR – Processing of system.sin finished with errors.
16/022/2016 12:22:54 – INFO – Ending flash session
16/022/2016 12:22:54 – ERROR – 31 : A device attached to the system is not functioning.
16/022/2016 12:22:54 – ERROR – Error flashing. Aborted