Hi Bill.
If someone actually WANTS to find a .wma file, & let me add, I have many Good
.wma files that I share. You simply remove from the filter list the extension .wma

Don't look at the filter like a fixed thing, its an adjustable tool
If Im looking for mp3 format (for my mp3 player) Why sift through hundreds of files I already No I don't want.
If I want .wma files, then I add .mp3 & whatever other Formats that many spam results come through under.

You Say!!
"And if its so easy, why doesn't limewire filter these garbage files by default?"

Because LimeWire IS, AN OPEN INFORMATION SHARING (P2P) program. OPEN being the point.
They are looking out for your RIGHT to choose, What files, (Information) you require.
e.g. The Mail man should not be chastised, because he delivered your
item,that you chose from the catalog, & now its not what you thought it would be, You chose it.
LimeWire wish to make things easy for you, So they provide a filter for all to use.
THATS WHERE YOU COME IN.
Peace.

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mickjapa108