> > win2kだとﾚｼﾞｽﾄﾘにも加えないとﾀﾞﾒ
> どう書けばよいの？

[Version]
Signature="$CHICAGO$"

[DefaultInstall]
CopyFiles  = CodecCopyFiles
UpdateInis = mpg4codec.UpdateIni

[DefaultInstall.NT]
CopyFiles = CodecCopyFiles
AddReg    = RegCodecNT

[DestinationDirs]
CodecCopyFiles=11

[mpg4codec.UpdateIni]
system.ini, drivers32,,"VIDC.MPG4=mpg4c32.dll"
system.ini, drivers32,,"VIDC.MP42=mpg4c32.dll"
system.ini, drivers32,,"VIDC.MP43=mpg4c32.dll"

[RegCodecNT]
HKLM, "Software\Microsoft\Windows NT\CurrentVersion\Drivers32","VIDC.MPG4", ,"mpg4c32.dll"
HKLM, "Software\Microsoft\Windows NT\CurrentVersion\Drivers32","VIDC.MP42", ,"mpg4c32.dll"
HKLM, "Software\Microsoft\Windows NT\CurrentVersion\Drivers32","VIDC.MP43", ,"mpg4c32.dll"
HKLM, "Software\Microsoft\Windows NT\CurrentVersion\Drivers.desc", "mpg4c32.dll",, "Microsoft MPEG-4 Video Codec v2"

[SourceDisksNames]
1="Microsoft MPEG-4 Video Codec 4.00.0.3688","",1

[CodecCopyFiles]
MPG4C32.DLL

[SourceDisksFiles]
MPG4C32.DLL=1

mpg4c32.infにして右クリックしてインスコ

参考：2001/02/21(水)03時26分02秒