Try dragging the incomplete files from the old incomplete folder to the new incomplete folder. Drag the individual files and not the whole folder. Then resume the files from the incomplete folder in the library page in LW. Or delete the new incomplete folder and replace it with the old one(probably easier). Then resume the files from the library page.

I tried it both ways and they resumed without any problems for me.

Edit: If they get stuck at or near 100%, try shutting down LW and restarting it. Then they should finish d/ling.

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