Recordable file formats differ depending on the disc. This message appears because some of the images are saved in non-recordable format.
Check the recordable movie format by the file extension.
Check the format of the selected movies by the file name or properties.
If the file name does not include the extension, right-click the file on Explorer and select [Properties].
If the procedure above does not solve the problem for [DVD-Video (STD)] creation :
Your Sony camera must be authenticated by the computer. Connect the camera to the computer using a USB cable. If you own more than one Sony cameras, all cameras must be connected one by one.