6 files changed, 57 insertions, 5 deletions

diff --git a/gui/MainWindow.cpp b/gui/MainWindow.cpp
index 7c61ca9d..b28e753f 100644
--- a/gui/MainWindow.cpp
+++ b/gui/MainWindow.cpp
@@ -1256,6 +1256,7 @@ void MainWindow::launchInstance(BaseInstance *instance, AuthSessionPtr session,
 		dialog.setMaximum(0);
 		dialog.setValue(0);
 		dialog.setLabelText(tr("Waiting for profiler..."));
+		connect(&dialog, &QDialog::rejected, profilerInstance, &BaseProfiler::abortProfiling);
 		dialog.show();
 		connect(profilerInstance, &BaseProfiler::readyToLaunch, [&dialog, this](const QString &message)
 		{
@@ -1270,6 +1271,17 @@ void MainWindow::launchInstance(BaseInstance *instance, AuthSessionPtr session,
 			msg.exec();
 			proc->launch();
 		});
+		connect(profilerInstance, &BaseProfiler::abortLaunch, [&dialog, this](const QString &message)
+		{
+			dialog.accept();
+			QMessageBox msg;
+			msg.setText(tr("Couldn't start the profiler: %1").arg(message));
+			msg.setWindowTitle(tr("Error"));
+			msg.setIcon(QMessageBox::Critical);
+			msg.addButton(QMessageBox::Ok);
+			msg.exec();
+			proc->abort();
+		});
 		profilerInstance->beginProfiling(proc);
 		dialog.exec();
 	}
diff --git a/gui/dialogs/SettingsDialog.ui b/gui/dialogs/SettingsDialog.ui
index 8d9a7f87..acf360a3 100644
--- a/gui/dialogs/SettingsDialog.ui
+++ b/gui/dialogs/SettingsDialog.ui
@@ -20,7 +20,7 @@
    <string>Settings</string>
   </property>
   <property name="windowIcon">
-   <iconset>
+   <iconset resource="../../graphics.qrc">
     <normaloff>:/icons/toolbar/settings</normaloff>:/icons/toolbar/settings</iconset>
   </property>
   <property name="modal">
@@ -33,7 +33,7 @@
       <enum>QTabWidget::Rounded</enum>
      </property>
      <property name="currentIndex">
-      <number>5</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="featuresTab">
       <attribute name="title">
@@ -980,7 +980,9 @@
   <tabstop>postExitCmdTextBox</tabstop>
   <tabstop>settingsTabs</tabstop>
  </tabstops>
- <resources/>
+ <resources>
+  <include location="../../graphics.qrc"/>
+ </resources>
  <connections>
   <connection>
    <sender>buttonBox</sender>
diff --git a/logic/profiler/BaseProfiler.cpp b/logic/profiler/BaseProfiler.cpp
index 4765c67d..1a377818 100644
--- a/logic/profiler/BaseProfiler.cpp
+++ b/logic/profiler/BaseProfiler.cpp
@@ -19,6 +19,21 @@ void BaseProfiler::beginProfiling(MinecraftProcess *process)
 	beginProfilingImpl(process);
 }
 
+void BaseProfiler::abortProfiling()
+{
+	abortProfiling();
+}
+
+void BaseProfiler::abortProfilingImpl()
+{
+	if (!m_profilerProcess)
+	{
+		return;
+	}
+	m_profilerProcess->terminate();
+	m_profilerProcess->deleteLater();
+}
+
 qint64 BaseProfiler::pid(QProcess *process)
 {
 #ifdef Q_OS_WIN
diff --git a/logic/profiler/BaseProfiler.h b/logic/profiler/BaseProfiler.h
index 4c5f63fc..e0d1d5f6 100644
--- a/logic/profiler/BaseProfiler.h
+++ b/logic/profiler/BaseProfiler.h
@@ -17,16 +17,20 @@ public:
 public
 slots:
 	void beginProfiling(MinecraftProcess *process);
+	void abortProfiling();
 
 protected:
 	BaseInstance *m_instance;
+	QProcess *m_profilerProcess;
 
 	virtual void beginProfilingImpl(MinecraftProcess *process) = 0;
+	virtual void abortProfilingImpl();
 
 	qint64 pid(QProcess *process);
 
 signals:
 	void readyToLaunch(const QString &message);
+	void abortLaunch(const QString &message);
 };
 
 class BaseProfilerFactory
diff --git a/logic/profiler/JProfiler.cpp b/logic/profiler/JProfiler.cpp
index cec614ae..34f927ce 100644
--- a/logic/profiler/JProfiler.cpp
+++ b/logic/profiler/JProfiler.cpp
@@ -22,7 +22,16 @@ void JProfiler::beginProfilingImpl(MinecraftProcess *process)
 							 .absoluteFilePath("bin/jpenable"));
 	connect(profiler, &QProcess::started, [this, port]()
 	{ emit readyToLaunch(tr("Listening on port: %1").arg(port)); });
-	connect(profiler, SIGNAL(finished(int)), profiler, SLOT(deleteLater()));
+	connect(profiler,
+			static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
+			[this](int exit, QProcess::ExitStatus status)
+	{
+		if (exit != 0 || status == QProcess::CrashExit)
+		{
+			emit abortLaunch(tr("Profiler aborted"));
+		}
+		m_profilerProcess->deleteLater();
+	});
 	profiler->start();
 }
 
diff --git a/logic/profiler/JVisualVM.cpp b/logic/profiler/JVisualVM.cpp
index 3850ff40..89098f73 100644
--- a/logic/profiler/JVisualVM.cpp
+++ b/logic/profiler/JVisualVM.cpp
@@ -19,8 +19,18 @@ void JVisualVM::beginProfilingImpl(MinecraftProcess *process)
 	profiler->setProgram("jvisualvm");
 	connect(profiler, &QProcess::started, [this]()
 	{ emit readyToLaunch(tr("JVisualVM started")); });
-	connect(profiler, SIGNAL(finished(int)), profiler, SLOT(deleteLater()));
+	connect(profiler,
+			static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
+			[this](int exit, QProcess::ExitStatus status)
+	{
+		if (exit != 0 || status == QProcess::CrashExit)
+		{
+			emit abortLaunch(tr("Profiler aborted"));
+		}
+		m_profilerProcess->deleteLater();
+	});
 	profiler->start();
+	m_profilerProcess = profiler;
 }
 
 void JVisualVMFactory::registerSettings(SettingsObject *settings)