EasyWorship 6 output does not appear on the output screen or in the live output window inside EasyWorship.
When in options, the preview box at the bottom left is also blank.
This is normally an issue that occurs with some Intel HD GT2 graphics cards that come with the Haswell CPU line.
You can determine if you have this graphics card by downloading the GPU-Z utility.
This video card is not recommended as it is not powerful enough to support EasyWorship.