this app is very useful to me until yesterday

but it's not work after today update (ver 4.80)

can't open available file
(back to home screen While file load)

i want fix it Soon as possible

ipad (1st)
ios 4.3 (8F190)

I'm sorry to trouble you.

This problem occur at iOS4.x

I have submitted the corrected version to examination.

Thank you.