To convert a DVR-MS file to other formats supported by Digital Media Converter you require: A Windows XP PC ( SP 2 ) DirectX 9C Download Link: https://www.microsoft.com/downloads/details.aspx?FamilyID=2da43d38-db71-4c1b-bc6a-9b6652cd92a3&DisplayLang=en. MPEG 2 Decoder You can download a free MPEG 2 decoder from the following link: https://www.deskshare.com/download/mpeg2decoder.exe Windows Media Player 9 or higher If you are using DCCHECK (decoder diagnostic utility) then make sure that you have set Elecard as the preferred decoder. For more details on Converting DVR-MS files, you may find our article useful: https://www.deskshare.com/Resources/articles/dmc_DVRMS.aspx