Segmentation fault is probably worth catching.

src/GUI/widgets/CrashHandler.cpp

@@ -53,8 +53,12 @@ CrashHandler::CrashHandler( int sig, QWidget *parent ) :
     QString sigName = tr( "Unknown signal" );
     if ( sig == SIGSEGV )
         sigName = "SIGSEGV (Segmentation Fault)";
-    if ( sig == SIGFPE )
+    else if ( sig == SIGFPE )
         sigName = "SIGFPE (Floating Exception)";
+    else if ( sig == SIGABRT )
+        sigName = "SIGABRT (Aborted)";
+    else if ( sig == SIGILL )
+        sigName = "SIGILL (Illegal Instruction)";
     else
         sigName = "Unknown";
     ui->crashDescriptionLabel->setText( tr("A crash occured. Signal received: ") + sigName );

src/Project/ProjectManager.cpp

@@ -57,8 +57,7 @@ ProjectManager::ProjectManager() : m_projectFile( NULL ), m_needSave( false )
     const SettingValue* val = SettingsManager::getInstance()->getValue( "project", "ProjectName");
     connect( val, SIGNAL( changed( QVariant) ), this, SLOT(nameChanged(QVariant) ) );
     m_projectName = tr( "<Unsaved project>" );
-//    signal( SIGSEGV, ProjectManager::signalHandler );
-//    signal( SIGINT, SIG_IGN );
+    signal( SIGSEGV, ProjectManager::signalHandler );
     signal( SIGFPE, ProjectManager::signalHandler );
     signal( SIGABRT, ProjectManager::signalHandler );
     signal( SIGILL, ProjectManager::signalHandler );