Exclamation Problem with multi task

Hello people ! Last monday i delete my files of multi task in my s4 I9500, someone could upload the original version please? i did it because i tried to get transparent my MT bar and it just send me to a FC
Pd. Sorry if my english isnŽt the best, iŽll make a thread to help you out with some problems on your phones if you help me with this, thanks !