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This issue is caused when your licence key for Halo: Combat Evolved is not geniune. When you play Halo multiplayer, your key is sent to the server (microsof/bungie dunno...) where they verify if your key is valid.

To resolve this problem:Get a geniune product key -not from a website giving away free serials

Make sure you type your key exactly as it is into the setup (possibility of activiating your Halo with a fake key without noticing... heppened to my friend once).

Possible causes:

non-geniune licence key

blocked licence key

If these suggestions do not resovle this issue, contact Microsoft using the given Microsoft Product Id number when you first installed your halo product.

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14y ago

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