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Forum Update on Monday, May 27th 2025

Qt5.7 msvc2015 debugger don't work

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qt5.7debug errormsvc2015
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  • km2442K Offline
    km2442K Offline
    km2442
    wrote on last edited by km2442
    #1

    Hi, I want to run my app in debug mode with Qt 5.7 and msvc2015 and I have a problem, debuger don't work. Please help me with this. I have installed newest Windows debugging tools from Windows SDK, but when I'm trying to debug my app, Error: The program has unexpectedly finished.

    Scrrenshots from Qt Settings:
    http://prntscr.com/bn53p9
    http://prntscr.com/bn53nr
    http://prntscr.com/bn53j4
    http://prntscr.com/bn53fi

    Thank you for any help :)

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Do you have any external dependency in your application ?

      Did you install the latest updates of Visual Studio ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • km2442K Offline
        km2442K Offline
        km2442
        wrote on last edited by
        #3

        Hi, I have checked and tried to debug another project, and suprisely I can debug another apps.
        In my application I don't use anything special.
        Please help me with this stupid issue :(

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        0
        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          It can debug other Qt app ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          0
          • sneubertS Offline
            sneubertS Offline
            sneubert
            wrote on last edited by
            #5

            Hi km2442,

            if you can debug other applications, the error The program has unexpectedly finished
            my be caused by your application. This could be anything, from access to nullpointer over stack corruption to uncaught exceptions. Try to set a breakpoint as early as possible and narrow the error.

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            • km2442K Offline
              km2442K Offline
              km2442
              wrote on last edited by km2442
              #6

              @SGaist Yes, I can debug any other app.
              @sneubert Hi, I have setted brakpoint at 1st line of my app main.cpp before int main(). It is

              #include "mainwindow.h"
              

              And still the same error: The program has unexpectedly finished

              Edit: no matter where I place breakpoint, evrywhere the same effect

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              • sneubertS Offline
                sneubertS Offline
                sneubert
                wrote on last edited by
                #7

                Are there any global objects, where the constructor get´s called?

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                • km2442K Offline
                  km2442K Offline
                  km2442
                  wrote on last edited by
                  #8

                  Do you mean 'extern' objects? If yes, My program contains some extern functions, and extern variables, but no classes.

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                  • sneubertS Offline
                    sneubertS Offline
                    sneubert
                    wrote on last edited by
                    #9

                    Ok, this is getting difficult. Maybe you can share some code.

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                    • km2442K Offline
                      km2442K Offline
                      km2442
                      wrote on last edited by km2442
                      #10

                      As you asked, I'm sending my includes and fragment of main
                      My includes:
                      This file (funkcje.h) contains most of includes.

                      #include <string>
                      #include <sstream>
                      #include <windows.h>
                      #include <time.h>
                      #include <thread>
                      #include <shlobj.h>
                      #include <winnls.h>
                      #include <shobjidl.h>
                      #include <objbase.h>
                      #include <objidl.h>
                      #include <shlguid.h>
                      #include <atlbase.h>
                      
                      #include <QFileDialog>
                      #include <QFile>
                      #include <QStyleFactory>
                      #include <QTimer>
                      #include <QDebug>
                      #include <QCloseEvent>
                      #include <QDesktopServices>
                      #include <QMenu>
                      #include <QTableWidgetItem>
                      #include <QSystemTrayIcon>
                      #include <QSettings>
                      #include <QTranslator>
                      #include <QProcess>
                      #include <QFileDialog>
                      #include <QInputDialog>
                      #include <QCryptographicHash>
                      

                      And fragment of main.cpp (I don't know if something could be wrong here, I'm sending at least 30% of all coe from this file):

                      #include "mainwindow.h"
                      #include "funkcje.h"
                      
                      int main(int argc, char *argv[])
                      {
                          if (argc == 2)
                      	{
                      		(...)
                          }
                      }
                      
                      	QtSingleApplication a(argc, argv);
                      
                      (...)
                      
                          QSettings myapp(QSettings::IniFormat, QSettings::UserScope, "AutoSwitch", "application");
                          appData = QFileInfo(myapp.fileName()).absolutePath();
                          QSettings setting(appData + "/config/settings.ini", QSettings::IniFormat);
                      
                      
                      (...)
                      
                          QTranslator tra;
                          if (setting.value("/Language").toInt() == 2)
                          {
                              if (tra.load(":/translations/Resources/Languages/English.qm"))
                              {
                                  a.installTranslator(&tra);
                              }
                          }
                      
                      (...)
                      
                      	MainWindow w;
                      	a.setActivationWindow(&w);
                          w.setWindowFlags(Qt::MSWindowsFixedSizeDialogHint);
                      	QObject::connect(&a, SIGNAL(messageReceived(QString))
                      	, &w, SLOT(onMessageReceived(QString)));
                      
                      	if (hide == true && argc > 2) w.hide();
                      	else w.show();
                      
                      	int ret = a.exec();
                      	QObject::disconnect(&a, 0, &w, 0);
                      	return ret;
                      }
                      
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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #11

                        Nothing obvious from the code you shared.

                        However, your settings handling is going to bite you when you release your application. Don't write data in the same folder as your application. If you install your application on Windows, your users won't have the rights to do so and even if they would, multiple users would access the same settings triggering security and privacy hazards. Use QStandardPaths to get a suitable path to store these files or simply let Qt handle it for you.

                        Interested in AI ? www.idiap.ch
                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                        1
                        • sneubertS Offline
                          sneubertS Offline
                          sneubert
                          wrote on last edited by
                          #12

                          As in funkcje.h there are only system/framework headers and the application crash is before the first line in int main the last chance is your mainwindow.h. Could you post it?

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                          • km2442K Offline
                            km2442K Offline
                            km2442
                            wrote on last edited by km2442
                            #13

                            One more thing: My application is using one external library: Qtsingleapplication It is wrote for Qt4, so maybe there is a problem...?

                            @SGaist I store settings of my application in every user appdata folder, so settings are safe and separated :) One simple question about that, where should I store global settings of my app (where every user can access easly without administrator permissions)?

                            @sneubert Ok, I can share most of my mainwindow.h
                            One more info: I have placed breakpoint at first line of mainwindow.h before any code and again debugger crashed.

                            #ifndef MAINWINDOW_H
                            #define MAINWINDOW_H
                            
                            #include <QMainWindow>
                            #include "funkcje.h"
                            
                            namespace Ui {
                            class MainWindow;
                            }
                            
                            class MainWindow : public QMainWindow
                            {
                                Q_OBJECT
                            
                            public:
                                explicit MainWindow(QWidget *parent = 0);
                                QSystemTrayIcon *trayIcon;
                                void tray();
                                void showMainWindow();
                                ~MainWindow();
                            
                            private slots:
                            
                            **I have deleted simple functions() without arguments**
                            
                                void onMessageReceived(const QString &message);
                            
                                void on_ActiveTasks_Tab_cellClicked(int row, int column);
                            
                                void iconActivated(QSystemTrayIcon::ActivationReason reason);
                            
                                void on_tabWidget_currentChanged(int index);
                            
                            private:
                                Ui::MainWindow *ui;
                                void MainWindow::closeEvent(QCloseEvent * event);
                                void MainWindow::urywanie(bool u);
                                void timeUpd();
                                bool TaskState();
                            
                                Settings *settings;
                                QMessageBox message;
                            
                                QMenu *trayIconMenu;
                            
                                QAction *exampleQAction_Tray;
                            
                                QMenu *exampleQmenu_Tray;
                            
                            };
                            
                            #endif // MAINWINDOW_H
                            
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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #14

                              You should rather use the official QtSolution repo github is merely a mirror.

                              What do you mean by global settings ? Also what OS are you running ?

                              Are you sure that you have everything initialized before using anything ?

                              Interested in AI ? www.idiap.ch
                              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                              1
                              • km2442K Offline
                                km2442K Offline
                                km2442
                                wrote on last edited by
                                #15

                                I have newest Windows 10 x64.
                                I need global settings for eg. when admin sets some tasks and turn on autorun on every account, so my app can run even without current user settings. But now I use stupid localisation of global settings files (C://myapp)

                                Release version of my app works very well, so I believe that I initialised everything good.

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                                • SGaistS Offline
                                  SGaistS Offline
                                  SGaist
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #16

                                  AFAIK, that's rather the task of the registry.

                                  Interested in AI ? www.idiap.ch
                                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                                  0
                                  • km2442K Offline
                                    km2442K Offline
                                    km2442
                                    wrote on last edited by
                                    #17

                                    I didn't think about registry, thank you :)
                                    BTW, what about debugger?

                                    1 Reply Last reply
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