title: QT SDK error :-1: error: File Makefile.Debug doesn't exist
body: <p>I have been trying to figure out this problem for a while and am at my wits end. 
  The error occurs when i attempt to debug my code.
  Some information you might find helpful.</p>
  
  <p>QT Version- QT 5.3 64-bit for Desktop</p>
  
  <p>Compilers that are auto detected</p>
  
  <p>-MinGW 4.8.2 32bit</p>
  
  <p>-Microsoft Visual C++ Compiler 11.0(x86)<br>
  -Microsoft Visual C++ Compiler 11.0(amd64)</p>
  
  <p>The code-</p>
  
  <pre><code>#include "mainwindow.h"
  #include "ui_mainwindow.h"
  
  MainWindow::MainWindow(QWidget *parent) :
      QMainWindow(parent),
      ui(new Ui::MainWindow)
  {
      ui-&gt;setupUi(this);
  }
  
  MainWindow::~MainWindow()
  {
      delete ui;
  }
  
  void MainWindow::on_pushButton_2_clicked()
  {
      ui-&gt;label-&gt;setText("It works!");
  }
  </code></pre>
  
  <p>All help is appreciated my friends :)</p>