problem on custom extrom

[mashi]

I use winimage to add file and edit config.txt.
I added this file to
Signed_TMOUSA_Setting_pIE_Wiz10810102.sa.CAB
CAB: \Extended_ROM\Signed_WIZ_RILEnableEONS_2.sa.CAB
CAB: \Extended_ROM\Signed_TMOUSA_Connection_Wiz10810101.sa.CAB
CAB: \Extended_ROM\Signed_TMOUS_MCCMNC.sa.CAB
CAB: \Extended_ROM\Signed_TMOUS_Favorites_1810102.sa.CAB
CAB: \Extended_ROM\Signed_tmobile_email_notification_2005PPC_NET_rom_12202005.CAB

it stuck when running customize
thanks