--- queensgui/src/queensmain.cpp	2007/07/20 01:22:53	5
+++ queensgui/src/queensmain.cpp	2007/07/20 13:50:47	7
@@ -129,6 +129,11 @@
 QueensMain::~QueensMain()
 {
     delete m_board;
+	
+	if (m_solutions != NULL)
+		delete m_solutions;
+	if (m_sol != NULL)
+		delete m_sol;
 }
 
 void QueensMain::start()
@@ -139,9 +144,12 @@
     m_list->clear();
     m_status->setText( QString("Searching ...") );
     
+	m_board->setMatrix(0);
+	
     if (m_queens != NULL) {
         m_queens->wait();
         delete m_queens;
+		m_queens = 0;
     }    
     
     if (m_solutions != NULL)