expand.exe doesn't seem to work correctly in cmd

Trying to expand *.dl_ files to *.dll cause error to come back about
LZcopy failed: return is 0
Trying -I arugment returns same error cept error number is 4
debug log
http://pastebin.com/m61c412e
Real hardware
Debug trunk build
bootcd-41595-dbg
Any more info contact Hentai* on IRC