Download ConvertXtoDVD (fully compatible with XP, Vista and Windows 7) from here.
UnRAR, Once installed, copy the 2 files found in the crack folder to C:\Program Files\VSO\ConvertX\4 and paste them there. Click OK to replace the files. Now open ConvertXtoDVD by double clicking the icon on the desktop.
Do NOT update ConvertXtoDVD when the update screen popup.
Put a blank DVD in your DVD-RW.
Open ConvertXtoDVD and click the green cross on the right, select your movie and then click Open.
(If you want to burn a TV series, you can add episodes as long as it shows Best Possible Result at the bottom near the traffic light)
Click Convert and wait till conversion and burning finish.