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ERROR_UNHANDLED_EXCEPTION
What this result means
ERROR_UNHANDLED_EXCEPTION is a Windows system result. An exception reached the process top level without a valid handler. This result summarizes process failure; the original exception code and crash context determine the actual defect.
Why it can appear
- an access violation, stack overflow, arithmetic fault, or explicit exception was not handled
- memory corruption damaged exception state or handler metadata
- a language or plugin boundary allowed an exception to escape
- a top-level handler logged too little information and terminated
Troubleshooting steps
- Capture a full crash dump, original exception code, faulting instruction, registers, thread stacks, and module versions
- Identify first-chance exceptions preceding the final one
- enable symbols and relevant runtime diagnostics
- Correlate with input, workload, and recent deployment changes
Correct recovery and handling
Fix the original exception rather than catching every failure at the top level. Use top-level handlers only to record diagnostics and terminate safely; continuing after unknown corruption is unsafe.
Related and easily confused conditions
The wrapper code does not identify whether the fault was hardware, runtime, application logic, or injected code. Never diagnose from it alone.
References
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