14%... 37%... This is it. You’re going to burn this to a CD-R.
Suddenly, the status changes from "Downloading" to Then, after five minutes of fruitless pinging, it updates to "Error: 5510."
So, the next time you see a green lime icon in a retro YouTube thumbnail, remember the 5510. It is not a solution to be found, but a feeling to be remembered—the impatient click, the stalled progress bar, and the eternal hope for just one more free song.
Here is the technical truth, distilled from the original Gnutella 0.6 specifications and the LimeWire source code (which was eventually released as open source under the GPL).
Thousands of people, feeling nostalgic, downloaded old LimeWire .exe files from abandonware sites. These versions (often 4.9 to 5.2) were riddled with exploits. When users installed them on Windows 10 or 11, the network stack broke instantly. The modern OS's strict firewalls and lack of legacy NetBIOS support caused every single download attempt to fail with a generic "5510."
