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ERROR_ARENA_TRASHED
Memory-management metadata is corrupted
ERROR_ARENA_TRASHED is a legacy Win32 result indicating that storage-control structures were destroyed. In modern software it should be treated as evidence of memory corruption, an invalid allocator interaction, or damage caused earlier in execution.
What to do
- Enable page heap or Application Verifier for the affected process.
- Check for buffer overruns, use-after-free, double-free, and allocator mismatches.
- Capture the earliest reproducible failure rather than only the final error.
- Review native extensions and third-party modules loaded in the process.
Safety
Do not continue modifying important data after allocator metadata corruption is detected. Terminate the affected operation or process in a controlled manner and diagnose the original write that damaged memory.
References
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