Running your Virgin Media Hub lights in modem mode can make your internet setup more reliable and stable, especially if you are using your own router. But in case you come across a “critical error” in logs and wonder what has gone wrong? Although nothing to worry about. But let us discuss what is happening, why such messages show up, and how to get a solid connection. https://vrgnrouter.com/critical-error-in-hub-while-in-modem-mode/