Winrar Backup Batch File

rmdir /S /Q D:\Backup

mkdir D:\Backup

cd "C:\Program Files\WinRAR\

echo ******************* RESTORE STARTED ON %date% at %time% ****************** 	>> C:\Backup.log

rar a "D:\Backup\User1.rar" "C:\Users\User1" 						>> C:\Backup.log

rar a "D:\Backup\User2.rar" "C:\Users\User2" 						>> C:\Backup.log

rar a "D:\Backup\User3.rar" "C:\Users\User3" 						>> C:\Backup.log

echo ****************** BACKUP COMPLETED ON %date% at %time% ****************** 	>> C:\Backup.log