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vtkAutoInit mechanism has broken after some recent Windows update (as I suppose). This was tested both for VTK-8.2 and VTK-9.0 on the simplest program with vtkAutoInit.h header included. VTK_DEBUG_LEAKS had been switched on. Debugging shows that vtkDebugLeaksManager constructor is called many times when VTK dlls are being loaded automatically for other VTK dlls. vtkDebugLeaksManagerCount value grows after each constructor execution. But vtkDebugLeaksManager destructors are not called during program termination. The test program contains nothing except "vtkObjectBase *pObjectBase=vtkObjectBase::New();" to test memory leak.