windows cant list files or find quarantine.tar

[Zedroid]

C:\Users\zedro\Downloads>py C:\Users\zedro\Downloads\defender-dump.py c:/
Traceback (most recent call last):
File "C:\Users\zedro\Downloads\defender-dump.py", line 182, in
main(parser.parse_args())
File "C:\Users\zedro\Downloads\defender-dump.py", line 165, in main
detection_max_len = max([len(x[2]) for x in entries])
ValueError: max() arg is an empty sequence

i did --dump and it said it did the quarnatine.tar but i cannot find it in the folder of the py script is in