When i tried to execute facedetect.py python script from opencv sample example i got the following runtime exception. Can someone please give me some pointer or some clue about the exception and why it is encountering?

Here is the stack trace :

'python.exe': Loaded 'C:\Python26\python.exe'

'python.exe': Loaded 'C:\WINDOWS\system32\ntdll.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\kernel32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\python26.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\user32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\gdi32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\advapi32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\rpcrt4.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\shell32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\msvcrt.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\shlwapi.dll'

'python.exe': Loaded 'C:\WINDOWS\WinSxS \x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.1_x-ww_6f74963e\msvcr90.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\imm32.dll'

'python.exe': Loaded 'C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.2982_x-ww_ac3f9c03\comctl32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\comctl32.dll'

'python.exe': Loaded 'C:\Python26\Lib\site-packages\opencv_cv.pyd', Binary was not built with debug information.

'python.exe': Loaded 'C:\OpenCV2.0\bin\libcv200.dll', Binary was not built with debug information.

'python.exe': Loaded 'C:\OpenCV2.0\bin\libcxcore200.dll', Binary was not built with debug information.

'python.exe': Loaded 'C:\Python26\Lib\site-packages\opencv_ml.pyd', Binary was not built with debug information.

'python.exe': Loaded 'C:\OpenCV2.0\bin\libml200.dll', Binary was not built with debug information.

'python.exe': Loaded 'C:\Python26\Lib\site-packages\opencv_highgui.pyd', Binary was not built with debug information.

'python.exe': Loaded 'C:\OpenCV2.0\bin\libhighgui200.dll', Binary was not built with debug information.

'python.exe': Loaded 'C:\WINDOWS\system32\ole32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\oleaut32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\avicap32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\winmm.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\version.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\msvfw32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\avifil32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\msacm32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\msctf.dll'

'python.exe': Loaded 'C:\OpenCV2.0\bin\libopencv_ffmpeg200.dll', Binary was not built with debug information.

'python.exe': Loaded 'C:\WINDOWS\system32\wsock32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\ws2_32.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\ws2help.dll'

'python.exe': Loaded 'C:\WINDOWS\system32\MSCTFIME.IME'

Unhandled exception at 0x00e7e4e4 in python.exe: 0xC0000005: Access violation reading location 0xffffffff.

Thanks a lot in advance,

Rupesh Chavan