Default [Q] stuck on android animation after ics update

hello everyone ,
i try to update to ics via update.zip from the sd card,
now after the boot the tablet stuck on the android animation .

i made a mistake , and i didnt make backup ,
but i took some pictures from the phone menus for keeping the details:
acer a500
2.6.36.3+
build :acer_a500_7.006.01_com_gen2
code sn :xeh60en0221382fb091500
snid:13819533715
flex version: 01_com_gen2

what can i do to fix it?