REGEDIT4

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\control\MediaResources\acm]
@="Audio Compression"
"Installer"="C:\\WINDOWS\\SYSTEM\\mmsys.cpl"

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\control\MediaResources\acm\msacm.msadpcm]
"Description"="ADPCM CODEC"
"Driver"="msadp32.acm"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\OptionalComponents\acm]
"INF"="motown.inf"
"Section"="media_acm"
"Installed"="1"