import os
import subprocess
import ctypes

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

            
with disable_file_system_redirection():        
	cmd = 'taskkill /F /IM excel.exe'
	obj = subprocess.Popen(cmd, shell=True, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
	out, err = obj.communicate()
	if err:
		print(err)
	else:
		print("Excel Closed...")