hi everyone well for some reason I can't build a custom firmware I am using windows vista x64 here is what happens plz help
7/24/2008 12:01:33 PM - This is winpwn ver.:2.0.0.1 RC1
7/24/2008 12:01:33 PM - Apple Mobile Device Support Version 2.0.0.32 installed.
7/24/2008 12:01:34 PM - 62 logos available online
7/24/2008 12:01:34 PM - 0 custom payloads available online
7/24/2008 12:01:38 PM - File from:F

My Programs\Iphone app\iphone frimware\3G iPhone firmware\iPhone1,2_2.0_5A347_Restore.ipsw
7/24/2008 12:01:38 PM - Recognized as:iPhone1,2_2.0_5A347_Restore.ipsw Type: IPSW_iPhone3G
7/24/2008 12:01:38 PM - Be sure to connect an iPhone 3G!
7/24/2008 12:03:26 PM - Preparing ipsw file.
7/24/2008 12:03:27 PM - Adding custom Boot Logo
7/24/2008 12:03:29 PM - Adding custom Recovery Image
7/24/2008 12:03:31 PM - Extracting Root Filesystem
7/24/2008 12:03:35 PM - Growing Root Filesystem
7/24/2008 12:03:35 PM - Replacing Kernel
7/24/2008 12:03:35 PM - Applying patch fstab.patch
7/24/2008 12:03:35 PM - Applying patch Services.plist.patch
7/24/2008 12:03:35 PM - Adding package Cydia.tar
7/24/2008 12:03:37 PM - Rebuilding Root FileSystem
7/24/2008 12:04:56 PM - IPSW creation failed!