Hey guys im getting this problem here

ERROR:root:Exception:
Traceback (most recent call last):
  File "guiminer.py", line 2478, in run
  File "guiminer.py", line 1782, in __init__
  File "guiminer.py", line 2075, in parse_config
  File "guiminer.py", line 2006, in get_storage_location
  File "os.pyo", line 423, in __getitem__
KeyError: 'APPDATA'
Traceback (most recent call last):
  File "guiminer.py", line 2487, in
  File "guiminer.py", line 2478, in run
  File "guiminer.py", line 1782, in __init__
  File "guiminer.py", line 2075, in parse_config
  File "guiminer.py", line 2006, in get_storage_location
  File "os.pyo", line 423, in __getitem__
KeyError: 'APPDATA'


If someone could help me that would be great .