loading problem on windows...

[sui]

Hello everyone,

I installed pwytter 0.8 version...
After installing ,i launched it at that time there was no error....
but from next time when i tried to start it...I got following errors

Traceback (most recent call last):
File "pwytter.py", line 964, in ?
File "Tkinter.pyc", line 1448, in wm_iconbitmap
_tkinter.TclError: bitmap "media\pwytter.ico" not defined
Traceback (most recent call last):
File "pwytter.py", line 964, in ?
File "Tkinter.pyc", line 1448, in wm_iconbitmap
_tkinter.TclError: bitmap "media\pwytter.ico" not defined

and it didn't start can anyone tell me how to track this
thanks