@echo off
if "%1" == "" (goto HOWTOUSE)
if "%1" == "/delete" (goto DEL_OE5)
if "%1" == "/reinstall" (goto REINST_OE5)

:DEL_OE5
rem -- delete files --
echo deleting Outlook Express 5...
del "%systemroot%\system32\inetcomm.dll"
del "%systemroot%\system32\msoeacct.dll"
del "%systemroot%\system32\msoert2.dll"

del "%programfiles%\Outlook Express\msoe.dll"
del "%programfiles%\Outlook Express\msoeres.dll"
del "%programfiles%\Outlook Express\msimn.exe"
del "%programfiles%\Outlook Express\oeimport.dll"
del "%programfiles%\Outlook Express\oemiglib.dll"
del "%programfiles%\Outlook Express\oemig50.exe"
del "%programfiles%\Outlook Express\setup50.exe"
del "%programfiles%\Outlook Express\wab.exe"
del "%programfiles%\Outlook Express\wabfind.dll"
del "%programfiles%\Outlook Express\wabimp.dll"
del "%programfiles%\Outlook Express\wabmig.exe"
del "%programfiles%\Outlook Express\csapi3t1.dll"

del "%CommonProgramFiles%\System\directdb.dll"
del "%CommonProgramFiles%\System\wab32.dll"
del "%CommonProgramFiles%\System\wab32res.dll"

rem -- delete folders --

del /q "%appdata%\Identities"
del /q "%appdata%\Microsoft\Address Book"
del /q "%CommonProgramFiles%\Microsoft Shared\Stationery"

rem -- delete registry key --

echo REGEDIT4 > deloe5.reg
echo ; >> deloe5.reg 
echo [-HKEY_LOCAL_MACHINE\Software\Microsoft\Outlook Express] >> deloe5.reg 
echo [-HKEY_LOCAL_MACHINE\Software\Microsoft\WAB] >> deloe5.reg 
echo [-HKEY_CURRENT_USER\Identities] >> deloe5.reg 
echo [-HKEY_CURRENT_USER\Software\Microsoft\Outlook Express] >> deloe5.reg 
echo [-HKEY_CURRENT_USER\Software\Microsoft\WAB] >> deloe5.reg 
regedit -s deloe5.reg
del deloe5.reg

rem -- delete dllcache --

echo これ以降は「見つかりませんでした」が出ても正常です。
del "%systemroot%\system32\dllcache\inetcomm.dll"
del "%systemroot%\system32\dllcache\msoeacct.dll"
del "%systemroot%\system32\dllcache\msoert2.dll"
del "%systemroot%\system32\dllcache\directdb.dll"
del "%systemroot%\system32\dllcache\wab32.dll"
del "%systemroot%\system32\dllcache\wab32res.dll"
del "%systemroot%\system32\dllcache\msoe.dll"
del "%systemroot%\system32\dllcache\msoeres.dll"
del "%systemroot%\system32\dllcache\msimn.exe"
del "%systemroot%\system32\dllcache\oeimport.dll"
del "%systemroot%\system32\dllcache\oemiglib.dll"
del "%systemroot%\system32\dllcache\oemig50.exe"
del "%systemroot%\system32\dllcache\setup50.exe"
del "%systemroot%\system32\dllcache\wab.exe"
del "%systemroot%\system32\dllcache\wabfind.dll"
del "%systemroot%\system32\dllcache\wabimp.dll"
del "%systemroot%\system32\dllcache\wabmig.exe"
del "%systemroot%\system32\dllcache\csapi3t1.dll"

goto END

rem -- reinstall --

:REINST_OE5
echo reinstall Outlook Express 5...
%SystemRoot%\System32\rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 %systemroot%\inf\msoe50.inf
%SystemRoot%\System32\rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 %systemroot%\inf\wab50.inf

goto END

:HOWTOUSE

echo Delete/Reinstall Outlook Express 5 for Windows 2000
echo (C) Windows.FAQ http://homapage2.nifty.com/winfaq/
echo http://support.mocrosoft.com/support/kb/articles/Q263/8/37.asp
echo.
echo USAGE rmoe5 [/delete] [/reinstall]
echo /delete 
echo   delete Outlook Express 5 from Windows 2000
echo   Notice!: This option must be used in Safe-Mode.
echo /reinstall
echo   reinstall Outlook Express 5
echo   Notice: You may need Windows 2000 CD-ROM.

:END