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ERROR_SXS_ACTIVATION_CONTEXT_DISABLED
ERROR_SXS_ACTIVATION_CONTEXT_DISABLED means that code attempted to activate an activation context that Windows considers disabled. This is normally a lifecycle or state-management problem in code using the activation-context APIs rather than a simple missing-file condition.
What to check
- Track the handle returned when the activation context was created and verify it was not released or disabled before use.
- Balance activation and deactivation calls on the same execution path and preserve the activation cookie where required.
- Avoid sharing one mutable activation-context lifecycle across unrelated threads without a documented ownership model.
Recreating or reactivating the context without understanding why it became disabled can hide a use-after-release or incorrect nesting bug.
Microsoft: activation context reference
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