Go to LW Library window. Select the incomplete folder & click the triangle so it opens. Then select all your incomplete files listed & press Resume button. This will force them back into the download window.
Sounds to me like nothing was 100% downloaded. Your downloads are found in Library window: For fast & easy access, go to your LW Library window, select Saved Files folder & press the Explore button. Sample image here:
Using Library Explore button to access downld folder (click on link) & the folder will open up for you.