@echo off
:: Windows 11 Welcome UI Restore
:: This script reverts all changes made by the Windows 11 Welcome UI Disabler
:: IMPORTANT: Run as administrator

echo Checking for administrative privileges...
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
if '%errorlevel%' NEQ '0' (
    echo This script requires administrative privileges.
    echo Please right-click and select "Run as administrator"
    pause
    exit /b 1
)

echo.
echo ============================================================
echo    Windows 11 Welcome UI Animation Restore
echo ============================================================
echo.
echo This script will restore the Windows 11 welcome animation
echo by reverting all changes made by the UI Disabler script.
echo.
echo Press any key to continue or Ctrl+C to cancel...
pause >nul

echo.
echo [1/7] Restoring Welcome UI processes (removing IFEO settings)...
:: Remove IFEO settings that prevented UI processes from starting
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\LogonUI.exe" /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ShellExperienceHost.exe" /f 2>nul

echo.
echo [2/7] Removing scheduled task that kills welcome UI processes...
:: Remove the scheduled task
schtasks /delete /tn "KillWelcomeUI" /f 2>nul

echo.
echo [3/7] Restoring logon UI animations and preloading...
:: Restore animation and preloading settings to defaults
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\BootAnimation" /v DisableStartupSound /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\BootAnimation" /v OptimizeBootAnimationEffects /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\AnimationPreload" /v Enabled /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\AnimationPreload" /v PreloadSplashScreen /f 2>nul

echo.
echo [4/7] Restoring logon UI timing and behavior...
:: Restore UI timing and display settings
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost" /v "LogonUIMaximumDisableTime" /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DelayedDesktopSwitchTimeout /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\TestHooks" /v DisplayInitialPageDelay /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\TestHooks" /v XamlInitialPageDelay /f 2>nul

echo.
echo [5/7] Restoring credential UI components...
:: Restore credential UI components
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableLogonUI /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\ProcessInit" /v Enabled /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableLockScreenMedia /f 2>nul
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisableLogonBackgroundImage /f 2>nul
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisableAcrylicBackgroundOnLogon /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background" /v OEMBackground /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Creative" /v OEMBackground /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ImmersiveShell" /v DisableLogonBackgroundImage /f 2>nul

echo.
echo [6/7] Restoring autologon settings to defaults...
:: Restore autologon settings to defaults
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v AutoLogonCount /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v AutoLogonTimeout /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v UIHost /f 2>nul
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v UseNewUX /f 2>nul

echo.
echo [7/7] Restoring group policy settings...
:: Restore group policy settings
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisableLogonUIBootAnimation /f 2>nul
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v HideLogonUI /f 2>nul
reg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\Personalization" /v NoLockScreen /f 2>nul

:: Remove the LogonUIDisabled marker file
echo Removing LogonUIDisabled marker file...
if exist "%WINDIR%\System32\LogonUIDisabled" del "%WINDIR%\System32\LogonUIDisabled" 2>nul

echo.
echo ============================================================
echo    Windows 11 Welcome UI Restoration Complete
echo ============================================================
echo.
echo All settings have been restored to Windows defaults.
echo Please restart your computer for changes to take effect.
echo.
pause