dlls/wmp/wmp.rgs

HKCR
{
    NoRemove CLSID
    {
        '{6BF52A52-394A-11D3-B153-00C04F79FAA6}'
        {
            Control
            Insertable
            MiscStatus = s '0'
            {
                1 = s '131473'
            }
            Programmable
        }
    }
    'WMPlayer.OCX.7' = s 'Windows Media Player'
    {
        Insertable
    }
}

HKLM
{
    NoRemove Software
    {
        NoRemove Microsoft
        {
            NoRemove Multimedia
            {
                WMPlayer
                {
                    Extensions
                }
            }
        }
    }
}