So, what you're saying is that there are certain files you can download:
" .. and started to download without any problem "
Those checked and confirmed with Bitzi.....right?

And while trying to download with LW, your bittorrent is completely closed (checked via Task Manager>Processes)???

Since LW is asking you to update (to a newer version rather than to Pro), what LW version are you using, and where did you get it from (the official LW website [http://www.limeiwre.com])??
What about your free diskspace you download with LW to??

Recently I have found a lot faked files with even less than 3 hosts; obviously shared by the RIAA to discourage P2P users from downloading copyright protected material........

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"Never Argue With An Idiot. They Will Drag You Down To Their Level, Then Beat You With Experience"