Modern Warfare 2 'Change Activision ID' Error Screen: How to Fix

A "change Activision ID" display name infinite loop issue has emerged in Call of Duty: Modern Warfare II, plaguing what was supposed to just be the early access

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How to Change Display Name & Activision ID in COD Modern

Call of Duty: Modern Warfare II In-Game Account Registration

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Fix Modern Warfare 2 Change Activision ID Error