Here is the error at the end. Says there is a faulty driver of some sort.
Expert mode turned on!
iPhone device selected
Starting IPSW building
Hashing IPSW...
Matching IPSW in C:\Program Files\winpwn-2.5\FirmwareBundles\... (b84b57be...)
checking: C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.1_5B108.bundle\Info.plist
checking: C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle\Info.plist
Preferred root size is:800
Found Bootloader 3.9
Found Bootloader 4.6
Adding custom Boot Logo
Added custom Boot Logo
Firmware/all_flash/all_flash.m68ap.production/DeviceTree.m68ap.img3 (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/DeviceTree.m68ap.patch)...
encrypted input...
encrypted output...
writing...
success
kernelcache.release.s5l8900x (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/kernelcache.release.patch)...
writing...
success
Firmware/all_flash/all_flash.m68ap.production/LLB.m68ap.RELEASE.img3 (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/LLB.m68ap.RELEASE.patch)...
writing...
success
Adding custom Recovery Image
Added custom Recovery Image
018-4000-1.dmg (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/018-4000-1.patch)...
encrypted input...
encrypted output...
writing...
success
018-3984-1.dmg (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/018-3984-1.patch)...
encrypted input...
encrypted output...
writing...
success
Firmware/dfu/iBEC.m68ap.RELEASE.dfu (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/iBEC.m68ap.RELEASE.patch)...
writing...
success
Firmware/dfu/iBSS.m68ap.RELEASE.dfu (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/iBSS.m68ap.RELEASE.patch)...
writing...
success
Firmware/dfu/WTF.m68ap.RELEASE.dfu (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/WTF.m68ap.RELEASE.patch)...
writing...
success
Firmware/dfu/WTF.s5l8900xall.RELEASE.dfu (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/WTF.s5l8900xall.RELEASE.patch)...
Exploiting 8900 vulnerability...

writing...
success
Firmware/all_flash/all_flash.m68ap.production/iBoot.m68ap.RELEASE.img3 (C:\Program Files\winpwn-2.5\FirmwareBundles\\iPhone1,1_2.0.2_5C1.bundle/iBoot.m68ap.RELEASE.patch)...
encrypted input...
encrypted output...
writing...
success
Default root size is:500
Extracting Root Filesystem
Growing Root Filesystem
Replacing Kernel
Applying patch fstab.patch
retrieving...
patching...
writing...
success
Applying patch Services.plist.patch
retrieving...
patching...
writing...
success
Applying patch lockdownd.patch
retrieving...
patching...
writing...
success
Adding package BootNeuter.tar
Adding package Cydia.tar
Adding package Installer.tar
Adding package YoutubeActivation.tar
retrieving...
patching...
writing...
success
fixing up BootNeuter arguments...
Creating restore options (root size is:800)
start create restore options
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CreateFilesystemPartitions</key>
<true/>
<key>SystemPartitionSize</key>
<integer>800</integer>
<key>UpdateBaseband</key>
<false/>
</dict>
</plist>
Rebuilding Root FileSystem (This will take a while)
Writing IPSW (This also will take a while)
IPSW builder finished
Starting Pwnage!
Getting iPhone/iPod status...
Unsupported iTunesMobileDevice.dll Version Major b9000b Minor a
Status = 0
device connected in dfu mode
device connected in dfu mode
device connected in recovery mode