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Troubleshooting claiming a Call of Duty: Vanguard key
Failed to launch a critical file. Please close all other applications, temporarily deactivate your anti-virus software, and try again. Alternatively, log in as an administrator and try again.
How to resolve this problem when downloading an update
Instructions on linking your MLG and Blizzard accounts
What to do if you can't claim your Call of Duty: Black Ops 4 key
Our support policy for iterations of the macOS operating system.
Updated: 4 years ago
Article
Tools required for opening a Blizzard Data file.