The format factory shows "Error 0x1: Incorrect function"

First, to see whether the original video can be played with a player, if not, there may be a problem with the original video

If the original video can be played with a player it may be the Format factory software installation problem, you can try to reinstall the format factory

second: Directly the file suffix name renamed to FLV, and then the format factory directly into the MP3 format can be

third: Set all the options below the configuration---values to "default", and then generate them individually according to the settings you want

Fourth: Whether to open "use System decoder", closed after the line

That way, you can perform the conversion. The following figure is in the transformation. A percentage appears.