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Handle leak detection

Install the Windows Performance Toolkit from the Windows SDK [1].

1. wpr -start handle
2. reproduce the case
3. wpr -stop "%TEMP%\handle.etl"
4. wpa "%TEMP%\handle.etl"
5. Memory - Handles - Outstanding Count by Process
6. Add graph to Analysis View
7. Series - SmartFTP.exe
8. Right-click SmartFTP.exe, select Filter to Selection
9. Add the Create Stack (Frame Tags) to the columns
10. menu: Trace - Load Symbols
11. Drill-down to the function in the stack trace

References

1. Windows SDK
2. Easy Handle Leak Detection Without A Debugger

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