Python XVFB error in windows

For virtual Framebuffer (headless testing) I'm using `Xvfb` with `PyVirtualDisplay` and it's working fine in Ubuntu but showing error in Windows7. here is part of code where problem is occurring. ``` from pyvirtualdisplay import Display display = Display(visible=1, size=(300, 400)) display.start() ``` but when I run same command in Windows, I get this error ``` Traceback (most recent call last): File "C:\Python27\Scripts\pynt-script.py", line 9, in <module> load_entry_point('pynt==0.8.0', 'console_scripts', 'pynt')() File "C:\Python27\lib\site-packages\pynt\_pynt.py", line 295, in main build(sys.argv[1:]) File "C:\Python27\lib\site-packages\pynt\_pynt.py", line 48, in build module = imp.load_source(path.splitext(path.basename(args.file))[0], args.fi le) File "build.py", line 7, in <module> display = Display(visible=1, size=(300,400)) File "C:\Python27\lib\site-packages\pyvirtualdisplay\display.py", line 33, in __init__ self._obj = self.display_class( File "C:\Python27\lib\site-packages\pyvirtualdisplay\display.py", line 50, in display_class cls.check_installed() File "C:\Python27\lib\site-packages\pyvirtualdisplay\xvfb.py", line 34, in che ck_installed ubuntu_package=PACKAGE).check_installed() File "C:\Python27\lib\site-packages\easyprocess\__init__.py", line 209, in che ck_installed raise EasyProcessCheckInstalledError(self) easyprocess.EasyProcessCheckInstalledError: cmd=['Xvfb', '-help'] OSError=[Error 2] The system cannot find the file specified Program install error! ``` I think my program is not able to find xvfb program/library ? I installed xvfbwrapper (https://github.com/cgoldberg/xvfbwrapper) but problem still remain same. again I think xvfbwrapper is different from xvfb? Any alternative for Windows platform which can do headless testing (virtual framebuffer)