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my movie maker had a video in it that was fine, but while i was editing it (i had been editing it for a while), it came up with some BS error code, and told me the video cant be saved until i remove the file. how can i fix it?
You should have started a new thread on this but hopefully some helpful mod with do that for you.
You may have corrupted the file - and the only way forward is to go back to the original and start again if you can. For future reference it is always a good idea to make a backup copy before you start work on a major project and then to save the work as you go along.