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Error codeCall of DutyWindows PC: Black Ops 7, Warzone, Modern Warfare 4

Call of Duty: "CODBrokerInstaller.exe authorization declined"

CODBrokerInstaller.exe authorization declined

The Windows User Account Control prompt used to register your TPM 2.0 was declined or never shown, so the game cannot validate your PC. Without approving it you cannot play.

Is Call of Duty down right now? Operational: 11 problem reports in the last hour. If it were down for everyone, this error could come from there; right now it looks normal.
Fix it

How to fix "CODBrokerInstaller.exe authorization declined"

  1. When the UAC prompt for CODBrokerInstaller.exe or enrollaik.exe appears, enter admin details if asked and select Yes.

  2. If no prompt appears, search Start for "change user account control settings".

  3. Move the slider to Always notify or the default level just below it and select OK.

  4. Restart the game so the new setting is picked up.

From Call of Duty's help pages: support.activision.com, in our words. Checked on 5 November 2026. If the steps do not help, Call of Duty's own support is the next stop.

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