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WU_E_CYCLE_DETECTED
WU_E_CYCLE_DETECTED means that Windows Update Agent detected circular update relationships in metadata. A circular dependency or relation prevents the agent from evaluating the relationship graph in the normal direction.
What to check
- Identify the update service and the updates involved in the failing search or installation request.
- Refresh the affected metadata through the service rather than trying to force one update in the cycle.
- Escalate persistent errors from a managed catalog with the update identities and client event evidence.
Microsoft: Windows Update error reference
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