anchor.diff:  :: This script will create in first running backup of ORIGINAL/CURRENT hosts file in hosts.skel file.
   :: If hosts.skel file exists, then NEW copy with customized unified hosts file will be copied to proper path.
   :: Next DNS Cache will be refreshed.
  -:: YOU NEED RUNNING THIS BAT FILE IN COMMAND LINE PROMPT WITH ADMINISTRATOR PRIVILIGES
  +:: THIS BAT FILE WILL BE LAUNCHED WITH ADMINISTRATOR PRIVILIGES
   @ECHO OFF
   
  +:UAC_ADMIN
  +>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"  
  +if '%ERRORLEVEL%' NEQ '0' (
  +    ECHO Requesting administrative privileges...
  +    GOTO UAC_PROMPT
  +) else (
  +    GOTO ADMIN
  +)
  +
  +:UAC_PROMPT
  +ECHO Set UAC = CreateObject^("Shell.Application"^) > "%TEMP%\getadmin.vbs"
  +ECHO UAC.ShellExecute "%~s0", "", "", "runas", 1 >> "%TEMP%\getadmin.vbs"
  +"%TEMP%\getadmin.vbs"
  +EXIT /B
  +
  +:ADMIN
  +if exist "%TEMP%\getadmin.vbs" (
  +    DEL "%TEMP%\getadmin.vbs"
  +)
  +pushd "%CD%"
  +CD /D "%~dp0"
  +CD %CD%
  +%COMSPEC% /c "updateHostsWindows.bat" start
  +EXIT
  +
  +:START
   if not exist "%WINDIR%\py.exe" (
   	ECHO :: ERROR :: Python 3.5 Runtime NOT FOUND...
   	ECHO :: ERROR :: Download and install lastest Python 3.5 for Windows from https://www.python.org/downloads/
  
positive.code: 	GOTO END
  ) ELSE ( 
  	GOTO PY35RT
   )
  :PY35RT
  if not exist "%LOCALAPPDATA%\Programs\Python\Python35\Python35.dll" (
  	ECHO :: ERROR :: Python 3.5 Runtime NOT FOUND...
  
negative.code: 	ECHO :: INFO :: Python 3.5 Runtime was found...
  	ECHO :: INFO :: Running main script...
      GOTO DNSCHECK
  )
  
  :DNSCHECK
  if not exist "%WINDIR%\System32\drivers\etc\hosts.skel" (
  	COPY %WINDIR%\System32\drivers\etc\hosts %WINDIR%\System32\drivers\etc\hosts.skel
  	GOTO :CLEARDNS
  )
  
  :CLEARDNS
  updateHostsFile.py -a
  COPY hosts %WINDIR%\System32\drivers\etc\
  ipconfig /flushdns
  GOTO END
  
  :END
  