This is log VLD:

Qt Code: 
  1. WARNING: Visual Leak Detector detected memory leaks!
  2. ---------- Block 126 at 0x00B55388: 8 bytes ----------
  3.   Call Stack:
  4.     d:\project_ispa\ank_source\hsm_ank\hsm\server.cpp (47): Server::TimerShot
  5.     d:\project_ispa\ank_source\hsm_ank\hsm\generatedfiles\debug\moc_server.cpp (67): Server::qt_metacall
  6.     d:\qt4_4\src\corelib\kernel\qobject.cpp (3187): QMetaObject::activate
  7.     d:\qt4_4\src\corelib\kernel\qobject.cpp (3257): QMetaObject::activate
  8.     d:\qt4_4\src\corelib\tmp\moc\debug_shared\moc_qtimer.cpp (126): QTimer::timeout
  9.     d:\qt4_4\src\corelib\kernel\qtimer.cpp (258): QTimer::timerEvent
  10.     d:\qt4_4\src\corelib\kernel\qobject.cpp (1126): QObject::event
  11.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3770): QApplicationPrivate::notify_helper
  12.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3360): QApplication::notify
  13.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (578): QCoreApplication::notifyInternal
  14.     d:\qt4_4\src\corelib\kernel\qcoreapplication.h (205): QCoreApplication::sendEvent
  15.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (500): qt_internal_proc
  16.     0x7E368724 (File and line number not available): GetDC
  17.     0x7E368806 (File and line number not available): GetDC
  18.     0x7E3689BD (File and line number not available): GetWindowLongW
  19.     0x7E368A00 (File and line number not available): DispatchMessageW
  20.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (746): QEventDispatcherWin32::processEvents
  21.     d:\qt4_4\src\gui\kernel\qapplication_win.cpp (1078): QGuiEventDispatcherWin32::processEvents
  22.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (140): QEventLoop::processEvents
  23.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (186): QEventLoop::exec
  24.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (830): QCoreApplication::exec
  25.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3299): QApplication::exec
  26.     d:\project_ispa\ank_source\hsm_ank\hsm\main.cpp (26): main
  27.     d:\qt4_4\src\winmain\qtmain_win.cpp (133): WinMain
  28.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (578): __tmainCRTStartup
  29.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (403): WinMainCRTStartup
  30.     0x7C816FF7 (File and line number not available): RegisterWaitForInputIdle
  31.   Data:
  32.     48 19 21 67    00 00 00 00                                   H.!g.... ........
  33.  
  34. ---------- Block 198 at 0x00B63FE8: 8 bytes ----------
  35.   Call Stack:
  36.     d:\project_ispa\ank_source\hsm_ank\hsm\server.cpp (47): Server::TimerShot
  37.     d:\project_ispa\ank_source\hsm_ank\hsm\generatedfiles\debug\moc_server.cpp (67): Server::qt_metacall
  38.     d:\qt4_4\src\corelib\kernel\qobject.cpp (3187): QMetaObject::activate
  39.     d:\qt4_4\src\corelib\kernel\qobject.cpp (3257): QMetaObject::activate
  40.     d:\qt4_4\src\corelib\tmp\moc\debug_shared\moc_qtimer.cpp (126): QTimer::timeout
  41.     d:\qt4_4\src\corelib\kernel\qtimer.cpp (258): QTimer::timerEvent
  42.     d:\qt4_4\src\corelib\kernel\qobject.cpp (1126): QObject::event
  43.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3770): QApplicationPrivate::notify_helper
  44.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3360): QApplication::notify
  45.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (578): QCoreApplication::notifyInternal
  46.     d:\qt4_4\src\corelib\kernel\qcoreapplication.h (205): QCoreApplication::sendEvent
  47.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (500): qt_internal_proc
  48.     0x7E368724 (File and line number not available): GetDC
  49.     0x7E368806 (File and line number not available): GetDC
  50.     0x7E3689BD (File and line number not available): GetWindowLongW
  51.     0x7E368A00 (File and line number not available): DispatchMessageW
  52.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (746): QEventDispatcherWin32::processEvents
  53.     d:\qt4_4\src\gui\kernel\qapplication_win.cpp (1078): QGuiEventDispatcherWin32::processEvents
  54.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (140): QEventLoop::processEvents
  55.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (186): QEventLoop::exec
  56.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (830): QCoreApplication::exec
  57.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3299): QApplication::exec
  58.     d:\project_ispa\ank_source\hsm_ank\hsm\main.cpp (26): main
  59.     d:\qt4_4\src\winmain\qtmain_win.cpp (133): WinMain
  60.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (578): __tmainCRTStartup
  61.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (403): WinMainCRTStartup
  62.     0x7C816FF7 (File and line number not available): RegisterWaitForInputIdle
  63.   Data:
  64.     48 19 21 67    00 00 00 00                                   H.!g.... ........
  65.  
  66. ---------- Block 131 at 0x00BF27A8: 12 bytes ----------
  67.   Call Stack:
  68.     d:\project_ispa\ank_source\hsm_ank\hsm\server.cpp (38): Server::incomingConnection
  69.     d:\qt4_4\src\network\socket\qtcpserver.cpp (185): QTcpServerPrivate::readNotification
  70.     d:\qt4_4\src\network\socket\qabstractsocketengine.cpp (136): QAbstractSocketEngine::readNotification
  71.     d:\qt4_4\src\network\socket\qnativesocketengine.cpp (985): QReadNotifier::event
  72.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3770): QApplicationPrivate::notify_helper
  73.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3360): QApplication::notify
  74.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (578): QCoreApplication::notifyInternal
  75.     d:\qt4_4\src\corelib\kernel\qcoreapplication.h (205): QCoreApplication::sendEvent
  76.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (461): qt_internal_proc
  77.     0x7E368724 (File and line number not available): GetDC
  78.     0x7E368806 (File and line number not available): GetDC
  79.     0x7E3689BD (File and line number not available): GetWindowLongW
  80.     0x7E368A00 (File and line number not available): DispatchMessageW
  81.     d:\qt4_4\src\corelib\kernel\qeventdispatcher_win.cpp (746): QEventDispatcherWin32::processEvents
  82.     d:\qt4_4\src\gui\kernel\qapplication_win.cpp (1078): QGuiEventDispatcherWin32::processEvents
  83.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (140): QEventLoop::processEvents
  84.     d:\qt4_4\src\corelib\kernel\qeventloop.cpp (186): QEventLoop::exec
  85.     d:\qt4_4\src\corelib\kernel\qcoreapplication.cpp (830): QCoreApplication::exec
  86.     d:\qt4_4\src\gui\kernel\qapplication.cpp (3299): QApplication::exec
  87.     d:\project_ispa\ank_source\hsm_ank\hsm\main.cpp (26): main
  88.     d:\qt4_4\src\winmain\qtmain_win.cpp (133): WinMain
  89.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (578): __tmainCRTStartup
  90.     f:\rtm\vctools\crt_bld\self_x86\crt\src\crtexe.c (403): WinMainCRTStartup
  91.     0x7C816FF7 (File and line number not available): RegisterWaitForInputIdle
  92.   Data:
  93.     48 19 21 67    00 00 00 00    C4 1D 00 00                    H.!g.... ........
  94.  
  95. ...
  96. Visual Leak Detector detected 15 memory leaks.
  97. Visual Leak Detector is now exiting.
  98. The program '[3596] HSM.exe: Native' has exited with code 0 (0x0).
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My code:

Qt Code: 
  1. Server::Server(QObject *parent):QTcpServer(parent)
  2. {
  3. 	if (!listen(QHostAddress::Any, 1718)) 
  4. 	{
  5. 		return;
  6. 	}
  7. 	if(!db.CheckDbState())
  8. 	{
  9. 		db.CloseDB();
  10. 	}
  11. 	db.CloseDB();
  12. 	m_pTimer = new QTimer(this);
  13. 	connect(m_pTimer, SIGNAL(timeout()), this, SLOT(TimerShot()));
  14. 	m_pTimer->start(5000);
  15. }
  16.  
  17. Server::~Server()
  18. {
  19. 	if (m_pTimer != NULL)
  20. 		delete (m_pTimer);
  21. }
  22.  
  23. void Server::incomingConnection(int socketDescriptor)
  24. {
  25. 	thread = new FortuneThread(socketDescriptor,this);
  26. 	thread->start();	
  27. }
  28.  
  29. void Server::TimerShot()
  30. {
  31.  
  32. 	WThread = new CWorkThread(this);
  33. 	WThread->start();
  34. }
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Qt Code: 
  1. class Server : public QTcpServer
  2. {
  3.     Q_OBJECT
  4.  
  5.  
  6. public:
  7.  
  8.     Server(QObject *parent = 0);
  9.    ~Server();
  10.  
  11. protected:
  12.  
  13.     void incomingConnection(int socketDescriptor);
  14.  
  15. 	db_work db;
  16. 	FortuneThread *thread;
  17. 	CWorkThread   *WThread;
  18. 	QTimer        *m_pTimer;
  19.  
  20. private slots:
  21. 	void TimerShot();
  22. };
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wtf ???