backup reading problem,

Code:

Start  at : [3/5/2016 / 4:44:45 PM]
Operation : Read Flash [ v1.42 ]

1. Power Off Phone , Remove battery , Insert back
2. Insert USB cable. In some cases require hold BootKey

Wait for phone...
Phone found! [ 38 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6572
BB_CPU_NME : [MediaTek] MT6572_S00
BB_CPU_EXT : 0xCA01 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer  : 0x00FF
BLVersion : 0x0001
PreLoader : Active [ Boot with PL ]
BootLdrSS : NORMAL with SPRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1552.01.01
Sending and initialize DA ...
Running DA ver.4.2 on BBID : 0x88
NAND Flash : NOT INSTALLED
eMMC Flash : 90014A483447316404030EA56F6E91EB
Initialize Memory ...
DRAM already initialized by Preloader
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0x90 , OEM : 014A
[eMMC] : FLASH_INF : [HYNIX] , d1G4
[eMMC] : FLASH_CID : 90014A483447316404030EA56F6E91EB
[eMMC] : FLASH_BRT : 0x00400000 , 0x00400000 , 0x00400000
[eMMC] : FLASH_LEN : 0x00000000E9000000
[eMMC] : FLASH_UCP : 3728 MiB [eMMC 4 GiB]
DEV RID    : 0F5EA4C10A71309247053C1D865727B9
INT RAM    : 0x00020000
EXT RAM    : 0x20000000
BOOT TYPE  : EMMC_FLASH_BOOT
SOC VERIFY : C1
Boot Ok!

Reading Flash Content now ...

Brand    : HUAWEI
ProdName  : Y520-U22
ProdModel : HUAWEI Y520-U22
Device    : HWY520-U
AndroidVer: 4.4.2
MTKxCPU  : MT6572
MTKxPRJ  : ALPS.KK1.MP6.V1

[Read Ok] : preloader_ckt72_we_72_kk.bin
[Read Ok] : MBR
[Read Ok] : EBR1
[Read Ok] : lk.bin
[Read Ok] : boot.img
[Read Ok] : recovery.img
[Read Ok] : secro.img
[Read Ok] : logo.bin
[Read Ok] : system.img
[Read Error] : cache.img
Seems as AV issue!!! Disable your Antivirus or add CM2 to exclude list!


1.40 exe running good but 1.41 and new 1.42 not work with antivirus

after disable antivirus same problem.
any other solution? please infinity team help me