Account, App, & Shop
Overwatch®
World of Warcraft®
Hearthstone®
Heroes of the Storm™
Warcraft® III: Reforged™
Diablo® IV
Diablo® Immortal™
Diablo® III
Diablo® II: Resurrected
StarCraft® II
StarCraft®: Remastered
Blizzard® Arcade Collection
Classic Games
Call of Duty®: Black Ops Cold War
Call of Duty®: Modern Warfare | Warzone
Call of Duty®: Black Ops 4
Call of Duty®: Modern Warfare® 2 Campaign Remastered
Crash Bandicoot™ 4: It's About Time
BlizzCon®
Blizzard® Esports
Subject

More than 100 results found for "Game key problem"


Information about this error when redeeming a key in your account

Updated: 2 months ago
Article

Decryption key is invalid or missing. Please uninstall and reinstall.

Decryption key is invalid or missing. Please uninstall and reinstall.

Corrupted and damaged game files can create a wide variety of problems and errors.

Updated: 1 month ago
Article

How to receive technical support for problems with your connection to Black Ops 4 servers

Updated: 12 months ago
Article

How to receive technical support for Black Ops 4 disconnection errors

Updated: 9 months ago
Article

Troubleshooting step for connection-related problems on Windows.

Updated: 12 months ago
Article

What to do if you can't claim your Call of Duty: Black Ops 4 key

Updated: 3 weeks ago
Article

Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.

How to obtain error logs for Blizzard games