It all sounds like spam files to me, although I haven't exactly heard of that phrase...
Just check this...Go to Tools > Options > Searching > License warning and make sure the box
is not ticked and then select apply...
Also Check this thread out, it will help you with searching true files...
How to find music
This thread will tell you how to avoid fake files...
Fake files in search results
You are doing the right thing with helping the boys with their downloads as the network is full of viruses and other stuff kids don't relise their downloading..
This thread will help you with file sizes to avoid, so you don't download a virus...
WARNING: Viruses on network you should be aware of! 