In this video I am going to show How to FIX Call of Duty: Modern Warfare 3 Connection Failed/Error | Multiplayer & Connectivity Issue PC
PC/Laptops | Windows 11/10/8/7

English Tutorial, Fix, GamePlay and more videos.
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PC Specs:
CPU: Intel Core i74770 3.40GHz
Memory: 16GB HyperX DDR3
HDD: Toshiba 1TB
SSD: Kingston 240GB
Graphics Card: ASUS GeForce RTX 3060 12GB GDDR6
Operating System: Windows 10/11

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