greetings Cosmonaut

You didn't provide much information to go on.

There may be several causes for this. 1. as your d/l complete they may be moved to your shared folder, and this may cause your files to move. 2. when you restart LW it may re organize your shared folder. 3. worst possible situation you may have a virus.

read the forum rules at the top of this forum for what information is needed by members to better assist you.