You can right-click on the file in Windows Movie Maker and select copy. Then, in Windows Movie Maker, paste it in the Imported Media pane.
Or,
Right-click on the file in Windows Media Player, scroll down to Open File Location, then import the media that way.
Windows Media Player.
Media players play media, video editing software (like Windows Movie Maker) is for movie/video creating.
You have to download video to your computer before you can import it into Windows Movie Maker. You can't simply drag and drop it into the program from Media Player. Find the 'source video' on your computer and import it from there.
In my opinion, Windows Movie Maker.
The Windows Media Player video has to be an actual file to be imported into Windows Movie Maker (meaning you can't drag and drop it).Although I haven't tried it, I believe you can copy the file from Windows Media Player and paste it into Windows Movie Maker (but I don't know this for sure).The best way to get media from Windows Media Player is to ensure it is Saved in the Library. Then, open the file's location and import it that way.
Try watching it on your Windows Media Player. If you can't see it on Windows Media Player, then it is not formatted correctly to view in Windows Live Movie Maker.
Windows Media Player only plays the videos. You can only create/edit video in Windows Movie Maker.
In order to see a Windows Movie Maker project file on ANY media player, you must first Publish/Finish the video. This exports/converts the project file into Standard Viewing format. Then it can be played on a media player.
You can't create videos on Windows Media Player. You can only use the player to view the video. I believe you are asking about creating videos on Windows Movie Maker if I am not mistaken?
Unfortunately, you can't change any of the video transitions in Windows Movie Maker.
Windows Movie Maker is video editing software while Page Maker is a program designed to create printed media.
You can't reformat media (of any type) in Windows Movie Maker. There is no optimizing feature for doing that.