While rescanning  wenn i click File>open wallet  in time wenn mouse cursor touch "open wallet" item app just immediately crashed.
V0.18.0 
updateWindowTitle();
    rpcConsole = new RPCConsole(node, _platformStyle, nullptr);
    helpMessageDialog = new HelpMessageDialog(node, this, false);
#ifdef ENABLE_WALLET
    if(enableWallet)
    {
        
        walletFrame = new WalletFrame(_platformStyle, this);
        setCentralWidget(walletFrame);
    } else
#endif 
    {
        /* When compiled without wallet or -disablewallet is provided,
         * the central widget is the rpc console.
         */
        setCentralWidget(rpcConsole);
        Q_EMIT consoleShown(rpcConsole);
    }
    
    setAcceptDrops(true);
    
    
    createActions();
    
    createMenuBar();
    
    createToolBars();
    
    if (QSystemTrayIcon::isSystemTrayAvailable()) {
        createTrayIcon();