DXF was originally introduced in December 1982 as part of AutoCAD 1.0, and was intended to provide an exact representation of the data in the AutoCAD native file format, DWG (Drawing), for which Autodesk for many years did not publish specifications.
Take a look at how you can use VLC media player to play your favorite DVDs: 1  At the Windows 8 start screen, type VLC. 2  Choose the view option. 3  Insert your DVD into your DVD drive on your PC.  Choose your DVD playback 1  option. Open the DVD from within VLC media player.  Click the Play Button.
After installation, try playing the DVD in Windows Media Player to confirm that your system has no problem. If Windows Media Player can play the DVD, then the problem may lie with PowerDVD. If not, then your system has a more serious problem, and you will have to look to Microsoft for support.