Error code BLZBNTBGS000003F3,

connection to blizzard server was lost. sall and try again. error code BLZBNTBGS000003F3, UNSTOP THE GAME AND I DOWNLOADED IT AGAIN AND NOTHING, REIT THE NETWORKS AND NOTHING.

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Hey, JeuryRD08! This is not a blizzard error. Here’s our support article regarding the error. Please contact Activision support.

While the error appears to be a Blizzard error, it is not one of our error codes and only happens within the Call of Duty client. Blizzard Technical Support do not assist with issues outside of installation and patching issues, as outlined on this post.

This is a common error between many users. Happens to me also, please fix it or take action to fix it Blizzard.

To reiterate, this is a connectivity error where you fail to connect to the Activision servers or disconnect from them for whatever reason. We can’t help with it as it’s an error you get in game. Please contact Activision for more help as Caterpepi mentioned.