In your 1st problem, are you sure you installed LW into the same account? Or did you change the downld location? I made the mistake of installing into a different account & all my incompletes had disappeared. It took me a couple of weeks to realise my mistake. doh
For your 2nd problem with jet lag, try deleting your LW Preferences folder whilst LW is closed; instructions here:
Fixes for Limewire
Also see the following link & follow all the off-shoot links to find hints & extra skills to help with downlding & learn things to avoid:
To continue files downlding (click on link)