Download and install River Past's "Video Cleaner," which costs $29.95 as of 2010 (see Resources). Open the program.
Click the "Add files" button on the top left corner of the main menu. Select your AVI file from the window that appears.
Click the "Output Format" drop-down menu and click "AVI." Click the "Output Directory" button and select a place to save the new AVI file.
Click the "Convert" button to begin the reinterleave of the AVI file.