Download_URL ="https://s3.amazonaws.com/domeshieldcert/blockpage.pem" import os import zipfile import urllib import urllib2 import ssl import urllib import time import ctypes fileName = Download_URL.split('/')[-1] Download_Path=os.environ['PROGRAMDATA'] Identify_Os = "wmic os get Caption" Ent_Cmd = 'certutil.exe /addstore /enterprise /f "Root" "%s"'%(os.path.join(Download_Path, fileName)) Other_Cmd = 'certutil.exe /addstore /f "Root" "%s"'%(os.path.join(Download_Path, fileName)) 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) def Download(Download_URL,Download_Path): print 'Downloading required certificate' fileName = Download_URL.split('/')[-1] DownTo = os.path.join(Download_Path, fileName) context = ssl._create_unverified_context() f=urllib2.urlopen(Download_URL,context=context) data=f.read() print f.getcode() with open(DownTo, "wb") as code: code.write(data) print 'The required certificate has been downloaded successfully here '+DownTo Download(Download_URL,Download_Path) with disable_file_system_redirection(): os_details = os.popen(Identify_Os).read() print os_details if "Enterprise" and "7" in os_details: os.chdir(Download_Path) with disable_file_system_redirection(): print 'Installing certificate begins....' add_ent_cert = os.popen(Ent_Cmd).read() print 'Certificate installed sucessfully' print add_ent_cert else: os.chdir(Download_Path) with disable_file_system_redirection(): print 'Installing certificate begins....' add_other_cert = os.popen(Other_Cmd).read() print 'Certificate installed sucessfully' print add_other_cert os.chdir(Download_Path) os.remove(fileName)