One of the most complex of all the basic video transitions or video effects in Windows Movie Maker is the Fade to White. Fade to White works the same way as other Windows Movie Maker video effects where you apply it to the specific video clip instead of the transition track between clips. In this way you have special limitations and benefits that do not come with the cross fade.
The Fade to Black has been a common transition and effect in filmmaking since its earliest incarnations, yet the Fade to White is a alteration on this original theme. Because of this, you have to approach it in a specific way.