@echo off title Welcome Use Windows Cleaning Assistant ver|find "6.1" >nul if %errorlevel% NEQ 0 goto end if exist %windir%\Microsoft.NET\Framework64\v4.0.30319 ( start WCA.Win.exe exit ) else ( echo Setup .NET framework 4 now... net4.exe /norestart /passive ) cls echo If WCA.exe cannot startup immediately, please reboot your system... :end start WCA.Win.exe