COD MW3 Failed to Start Matchmaking Error: How to Fix

Call of Duty: Modern Warfare 3 “Failed to start matchmaking” error prevents you from playing online multiplayer – you’re stuck at the matchmaking screen searching for a game that never starts. In this detailed guide, you will learn how to fix the MW3 Failed to start matchmaking error. What Causes the COD MW3 Matchmaking Error? … Continue reading COD MW3 Failed to Start Matchmaking Error: How to Fix