Error 22 on ubunu 9.04 install to windows

[Givey51]

Error (22)Invalid argument while trying to install ubuntu 9.04 in Windows? No experience with ubuntu. Log below:

07-23 21:35 DEBUG TaskList: ## Finished copy_installation_files
07-23 21:35 DEBUG TaskList: ## Running get_iso...
07-23 21:35 DEBUG TaskList: New task copy_file
07-23 21:35 DEBUG TaskList: ### Running copy_file...
07-23 21:37 ERROR TaskList: [Errno 22] Invalid argument
Traceback (most recent call last):
File "Z:\home\evan\bzr\wubi.trunk\build\wubi\files\lib\w ubi\backends\common\tasklist.py", line 196, in __call__
File "Z:\home\evan\bzr\wubi.trunk\build\wubi\files\lib\w ubi\backends\common\utils.py", line 206, in copy_file
IOError: [Errno 22] Invalid argument
07-23 21:37 DEBUG TaskList: # Cancelling tasklist
07-23 21:37 ERROR root: [Errno 22] Invalid argument
Traceback (most recent call last):
File "Z:\home\evan\bzr\wubi.trunk\build\wubi\files\lib\w ubi\appl