diff --git a/x64_dbg_gui/Project/DebuggerX64.pro b/x64_dbg_gui/Project/DebuggerX64.pro
index 9dceb043..5eabcc2b 100644
--- a/x64_dbg_gui/Project/DebuggerX64.pro
+++ b/x64_dbg_gui/Project/DebuggerX64.pro
@@ -69,7 +69,8 @@ SOURCES += \
     Src/Utils/Configuration.cpp \
     Src/Gui/CPUSideBar.cpp \
     Src/Gui/AppearanceDialog.cpp \
-    Src/Disassembler/BeaTokenizer.cpp
+    Src/Disassembler/BeaTokenizer.cpp \
+    Src/Gui/CloseDialog.cpp
 
 
 HEADERS += \
@@ -117,7 +118,8 @@ HEADERS += \
     Src/Utils/Configuration.h \
     Src/Gui/CPUSideBar.h \
     Src/Gui/AppearanceDialog.h \
-    Src/Disassembler/BeaTokenizer.h
+    Src/Disassembler/BeaTokenizer.h \
+    Src/Gui/CloseDialog.h
 
 
 INCLUDEPATH += \
@@ -144,7 +146,8 @@ FORMS += \
     Src/Gui/SettingsDialog.ui \
     Src/Gui/ExceptionRangeDialog.ui \
     Src/Gui/CommandHelpView.ui \
-    Src/Gui/AppearanceDialog.ui
+    Src/Gui/AppearanceDialog.ui \
+    Src/Gui/CloseDialog.ui
 
 INCLUDEPATH += $$PWD/Src/Bridge
 
diff --git a/x64_dbg_gui/Project/Src/Gui/CloseDialog.cpp b/x64_dbg_gui/Project/Src/Gui/CloseDialog.cpp
new file mode 100644
index 00000000..cf4d5e70
--- /dev/null
+++ b/x64_dbg_gui/Project/Src/Gui/CloseDialog.cpp
@@ -0,0 +1,18 @@
+#include "CloseDialog.h"
+#include "ui_CloseDialog.h"
+
+CloseDialog::CloseDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::CloseDialog)
+{
+    ui->setupUi(this);
+    setModal(true);
+    setWindowFlags((Qt::Tool | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint) & ~Qt::WindowCloseButtonHint);
+    setFixedSize(this->size()); //fixed size
+    //setWindowFlags(((windowFlags() | Qt::CustomizeWindowHint) & ~Qt::WindowCloseButtonHint));
+}
+
+CloseDialog::~CloseDialog()
+{
+    delete ui;
+}
diff --git a/x64_dbg_gui/Project/Src/Gui/CloseDialog.h b/x64_dbg_gui/Project/Src/Gui/CloseDialog.h
new file mode 100644
index 00000000..2f29908d
--- /dev/null
+++ b/x64_dbg_gui/Project/Src/Gui/CloseDialog.h
@@ -0,0 +1,22 @@
+#ifndef CLOSEDIALOG_H
+#define CLOSEDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+class CloseDialog;
+}
+
+class CloseDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit CloseDialog(QWidget *parent = 0);
+    ~CloseDialog();
+
+private:
+    Ui::CloseDialog *ui;
+};
+
+#endif // CLOSEDIALOG_H
diff --git a/x64_dbg_gui/Project/Src/Gui/CloseDialog.ui b/x64_dbg_gui/Project/Src/Gui/CloseDialog.ui
new file mode 100644
index 00000000..fdb12788
--- /dev/null
+++ b/x64_dbg_gui/Project/Src/Gui/CloseDialog.ui
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CloseDialog</class>
+ <widget class="QDialog" name="CloseDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>220</width>
+    <height>80</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string/>
+  </property>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>220</width>
+     <height>80</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Closing Debugger...</string>
+   </property>
+   <property name="alignment">
+    <set>Qt::AlignCenter</set>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/x64_dbg_gui/Project/Src/Gui/MainWindow.cpp b/x64_dbg_gui/Project/Src/Gui/MainWindow.cpp
index 3509e26c..6580c096 100644
--- a/x64_dbg_gui/Project/Src/Gui/MainWindow.cpp
+++ b/x64_dbg_gui/Project/Src/Gui/MainWindow.cpp
@@ -154,6 +154,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
     initMenuApi();
 
     bClose=false;
+    mCloseDialog = new CloseDialog(this);
 }
 
 DWORD WINAPI MainWindow::closeThread(void* ptr)
@@ -171,6 +172,7 @@ DWORD WINAPI MainWindow::closeThread(void* ptr)
 
 void MainWindow::closeEvent(QCloseEvent* event)
 {
+    mCloseDialog->show();
     CloseHandle(CreateThread(0, 0, closeThread, this, 0, 0));
     if(bClose)
         event->accept();
diff --git a/x64_dbg_gui/Project/Src/Gui/MainWindow.h b/x64_dbg_gui/Project/Src/Gui/MainWindow.h
index 8c37ad6e..6937a63a 100644
--- a/x64_dbg_gui/Project/Src/Gui/MainWindow.h
+++ b/x64_dbg_gui/Project/Src/Gui/MainWindow.h
@@ -20,6 +20,7 @@
 #include "tabwidget.h"
 #include "Configuration.h"
 #include "AppearanceDialog.h"
+#include "CloseDialog.h"
 
 namespace Ui
 {
@@ -79,6 +80,7 @@ public slots:
 
 private:
     Ui::MainWindow *ui;
+    CloseDialog* mCloseDialog;
 
     CommandLineEdit* mCmdLineEdit;
     MHTabWidget* mTabWidget;