Halo All

Got a problem with my Iphone.
I am still in 1.1.2

I accidently deleted MobileSlideShow.app
Already search the forum.
Got the files already.
Try to upload to my Iphone using Iphonebrowser (I use Win XP).
It seem uploaded. but turn out, all filesize is 0 kb.

Can anyone help me?

Thanks in advance