[Sony Xperia P, U, Sola, Go] xauthority:
hello , was updating my xperia u to ics, everything i followed was correct but while flashing i came up with this error

08/038/2013 01:38:15 - INFO - <- This level is successfully initialized

08/038/2013 01:38:15 - INFO - Flashtool Version 0.9.10.1 built on 2013-01-09 19:49:47

08/038/2013 01:38:15 - INFO - You can drag and drop ftf files here to start flashing them

08/038/2013 01:38:19 - INFO - Device disconnected

08/038/2013 01:38:23 - INFO - Device connected in fastboot mode

08/038/2013 01:38:38 - INFO - Selected ST25a_6.1.1.B.1.10_None.ftf

08/038/2013 01:38:38 - INFO - Preparing files for flashing

08/038/2013 01:38:44 - INFO - Please connect your device into flashmode.

08/038/2013 01:38:48 - INFO - Device disconnected

08/038/2013 01:38:54 - INFO - Device connected in flash mode

08/038/2013 01:38:54 - INFO - Opening device for R/W

08/038/2013 01:38:54 - INFO - Reading device information

08/038/2013 01:38:54 - INFO - Phone ready for flashmode operations.

08/038/2013 01:38:54 - INFO - Current device : ST25i - YT90027A2D - 1261-3759_R3E - 1254-3522_6.0.B.3.184 - WORLD_6.0.B.3.184

08/038/2013 01:38:54 - INFO - Start Flashing

08/038/2013 01:38:54 - INFO - Processing loader

08/038/2013 01:38:54 - INFO - Checking header

08/038/2013 01:38:54 - INFO - Flashing data

08/038/2013 01:38:55 - INFO - Loader : S1_Root_3065 - Version : R5E006 / Bootloader status : ROOTABLE

08/038/2013 01:38:55 - INFO - Processing partition-image.sin

08/038/2013 01:38:55 - INFO - Checking header

08/038/2013 01:38:55 - INFO - Flashing data

08/038/2013 01:38:55 - WARN - This file is ignored : simlock.ta

08/038/2013 01:38:55 - INFO - Processing kernel.sin

08/038/2013 01:38:55 - INFO - Checking header

08/038/2013 01:38:55 - INFO - Flashing data

08/038/2013 01:38:57 - INFO - Processing fotakernel.sin

08/038/2013 01:38:57 - INFO - Checking header

08/038/2013 01:38:57 - INFO - Flashing data

08/038/2013 01:38:58 - INFO - Processing modemfs.sin

08/038/2013 01:38:58 - INFO - Checking header

08/038/2013 01:38:58 - INFO - Flashing data

08/039/2013 01:39:00 - INFO - Processing prcmu.sin

08/039/2013 01:39:00 - INFO - Checking header

08/039/2013 01:39:00 - INFO - Flashing data

08/039/2013 01:39:00 - INFO - Processing modem.sin

08/039/2013 01:39:00 - INFO - Checking header

08/039/2013 01:39:00 - INFO - Flashing data

08/039/2013 01:39:03 - INFO - Processing apps_log.sin

08/039/2013 01:39:03 - INFO - Checking header

08/039/2013 01:39:03 - INFO - Flashing data

08/039/2013 01:39:03 - INFO - Processing system.sin

08/039/2013 01:39:04 - INFO - Checking header

08/039/2013 01:39:04 - INFO - Flashing data

08/039/2013 01:39:59 - INFO - Ending flash session

08/039/2013 01:39:59 - ERROR - ERR_SEVERITY="MAJOR";ERR_CODE="0009";ERR_DYNAMIC="Block verification failed";

08/039/2013 01:39:59 - ERROR - Error flashing. Aborted

08/039/2013 01:39:59 - INFO - Device connected in flash mode

08/040/2013 01:40:00 - INFO - Device disconnected

08/040/2013 01:40:23 - INFO - Log written to C:\Flashtool\flashtool_2013-03-07_01-38-15.log

08/041/2013 01:41:15 - INFO - Device connected in fastboot mode

08/041/2013 01:41:30 - INFO - Selected ST25a_6.1.1.B.1.10_None.ftf

08/041/2013 01:41:30 - INFO - Preparing files for flashing

08/041/2013 01:41:36 - INFO - Please connect your device into flashmode.

08/041/2013 01:41:39 - INFO - Device disconnected

08/041/2013 01:41:44 - INFO - Device connected in flash mode

08/041/2013 01:41:44 - INFO - Opening device for R/W

08/041/2013 01:41:44 - INFO - Reading device information

08/041/2013 01:41:44 - INFO - Phone ready for flashmode operations.

08/041/2013 01:41:44 - INFO - Current device : ST25i - YT90027A2D - 1261-3759_R3E - 1254-3522_6.0.B.3.184 - WORLD_6.0.B.3.184

08/041/2013 01:41:44 - INFO - Start Flashing

08/041/2013 01:41:44 - INFO - Processing loader

08/041/2013 01:41:44 - INFO - Checking header

08/041/2013 01:41:44 - INFO - Flashing data

08/041/2013 01:41:45 - INFO - Loader : S1_Root_3065 - Version : R5E006 / Bootloader status : ROOTABLE

08/041/2013 01:41:45 - INFO - Processing partition-image.sin

08/041/2013 01:41:45 - INFO - Checking header

08/041/2013 01:41:45 - INFO - Flashing data

08/041/2013 01:41:45 - WARN - This file is ignored : simlock.ta

08/041/2013 01:41:45 - INFO - Processing kernel.sin

08/041/2013 01:41:45 - INFO - Checking header

08/041/2013 01:41:45 - INFO - Flashing data

08/041/2013 01:41:47 - INFO - Processing fotakernel.sin

08/041/2013 01:41:47 - INFO - Checking header

08/041/2013 01:41:47 - INFO - Flashing data

08/041/2013 01:41:49 - INFO - Processing modemfs.sin

08/041/2013 01:41:49 - INFO - Checking header

08/041/2013 01:41:50 - INFO - Flashing data

08/041/2013 01:41:52 - INFO - Processing prcmu.sin

08/041/2013 01:41:52 - INFO - Checking header

08/041/2013 01:41:52 - INFO - Flashing data

08/041/2013 01:41:52 - INFO - Processing modem.sin

08/041/2013 01:41:52 - INFO - Checking header

08/041/2013 01:41:52 - INFO - Flashing data

08/041/2013 01:41:55 - INFO - Processing apps_log.sin

08/041/2013 01:41:55 - INFO - Checking header

08/041/2013 01:41:55 - INFO - Flashing data

08/041/2013 01:41:56 - INFO - Processing system.sin

08/041/2013 01:41:56 - INFO - Checking header

08/041/2013 01:41:56 - INFO - Flashing data

08/042/2013 01:42:49 - INFO - Ending flash session

08/042/2013 01:42:49 - ERROR - ERR_SEVERITY="MAJOR";ERR_CODE="0009";ERR_DYNAMIC="Block verification failed";

08/042/2013 01:42:49 - ERROR - Error flashing. Aborted

08/042/2013 01:42:50 - INFO - Device connected in flash mode

08/042/2013 01:42:51 - INFO - Device disconnected

talking about this error

ERROR - ERR_SEVERITY="MAJOR";ERR_CODE="0009";ERR_DYNAMIC="Block verification failed";