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4 results for "0xC004C003"

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• Help article Error 0xC004C003 when activating Windows: what it means and how to fix it

  The activation server rejected the key. What actually causes it, and the steps to resolve it.

• Help article How to activate Windows 11 step by step

  The five steps to activate Windows 11 with a product key, and what to do if the process fails.

• Help article Error 0xC004C060 when activating Office: what it means and how to fix it

  The activation server rejected the Office key. The three causes and what to do about each.

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