Going Pro won't solve the problem of spam/fake files that are on the network.

For more info, follow the links in this thread: Fake files showing up in search results (Connecting for ages with many hosts & then Need More Sources when trying to download a file.).

Look up the files with Bitzi before downloading to help sort out the bad ones. Also preview files when they get to 15%.

The Basic(Free) version of LW is very good and buying Pro won't solve any problems. Pro connects to more hosts which can mean faster d/loads and better search results, but the differences are subtle and most of us consider buying Pro a donation to help in developing future versions of LW.

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If it ain't broke, fix it till it is!