@echo off
setlocal
set BasePath=HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\App Paths

set Cmd01Key=WMP.exe
set Cmd01Run=%ProgramFiles%\Windows Media Player\wmplayer.exe
set Cmd01Path=%ProgramFiles%\Windows Media Player

set Cmd02Key=N.exe
set Cmd02Run=%windir%\notepad.exe
set Cmd02Path=%windir%

set Cmd03Key=IE.exe
set Cmd03Run=%ProgramFiles%\Internet Explorer\iexplore.exe
set Cmd03Path=%ProgramFiles%\Internet Explorer

if "%1"=="-d" goto DEL

:ADD
rem コマンドを追加
reg add "%BasePath%\%Cmd01Key%" /ve /d "%Cmd01Run%" /f
reg add "%BasePath%\%Cmd01Key%" /v Path /t REG_SZ /d "%Cmd01Path%" /f
reg add "%BasePath%\%Cmd02Key%" /ve /d "%Cmd02Run%" /f
reg add "%BasePath%\%Cmd02Key%" /v Path /t REG_SZ /d "%Cmd02Path%" /f
reg add "%BasePath%\%Cmd03Key%" /ve /d "%Cmd03Run%" /f
reg add "%BasePath%\%Cmd03Key%" /v Path /t REG_SZ /d "%Cmd03Path%" /f
goto END

:DEL
rem コマンドを削除
reg delete "%BasePath%\%Cmd01Key%" /va /f
reg delete "%BasePath%\%Cmd02Key%" /va /f
reg delete "%BasePath%\%Cmd03Key%" /va /f
goto END

:END
taskkill /f /im explorer.exe
start explorer.exe

endlocal