Index: /trunk/src/VBox/ExtPacks/VNC/VBoxVNC.cpp
===================================================================
--- /trunk/src/VBox/ExtPacks/VNC/VBoxVNC.cpp	(revision 51230)
+++ /trunk/src/VBox/ExtPacks/VNC/VBoxVNC.cpp	(revision 51231)
@@ -67,4 +67,5 @@
     VNCServerImpl()
     {
+        mVNCServer = NULL;
         mFrameBuffer = NULL;
         mScreenBuffer = NULL;
@@ -80,4 +81,6 @@
             rfbFreeCursor(mCursor);
         memset(szVNCPassword, '\0', sizeof(szVNCPassword));
+        if (mVNCServer)
+            rfbScreenCleanup(mVNCServer);
     }