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What does Windows error code 684 (ERROR_UNWIND_CONSOLIDATE) mean?

 
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ERROR_UNWIND_CONSOLIDATE

What ERROR_UNWIND_CONSOLIDATE means

This status participates in advanced native exception handling where the unwinder transfers control to a consolidated frame. It is generally diagnostic evidence, not an ordinary Win32 failure returned to application UI.

Where it appears

  • language-runtime exception dispatch
  • stack unwinding across optimized or generated code
  • debugger analysis of native crashes

Likely causes

  • intentional runtime frame consolidation
  • exception handling across funclets or generated frames
  • damaged unwind metadata or stack state

What to collect

  1. exception record and context record
  2. full native stack with unwind information
  3. module versions and symbol files
  4. compiler options and runtime version

How to respond

Do not turn this internal unwind status into a retry loop. Runtime authors should validate unwind metadata and frame lifetime; application teams should analyze the original exception that caused unwinding.

References


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