I am making a video from several clips shot in MP4 format.  I can load the clips into Movie Maker and can trim them just fine.  The issue is that when I playback all the clips together, some of the clips go black and the hazard icon says it needs fixing, which it cannot so I have to remove that clip and re-insert the clip and trim it back down which solves the issue but then another clip mysteriously goes bad. This goes on forever.

The error code is 0x87260103

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