title: error: "Some projects cannot be imported because they already exist in the workspace" when i tried to import SWT to Eclipse
body: <p>I import SWT to my project in Java (I work with Eclipse), but I did a mistake and import a version of 64 bit and my JVM is 32-bit. 
  So I tried to import the version of 32-bit but I got an error </p>
  
  <blockquote>
    <p>"Some projects cannot be imported because they already exist in the workspace"</p>
  </blockquote>
  
  <p>In eclipse I select    </p>
  
  <blockquote>
    <p>Import -> Existing Projects into Workspace -> Select archive file </p>
  </blockquote>
  
  <p>and choose the correct file of 32-bit.</p>
  
  <p>Then i did a big mistake and erased the folder "org.eclipse.swt" from my workspace, because I thought I will be able to import the 32-bit version.</p>
  
  <p>But now I don't have also the 64-bit (I get errors like "org.eclipse.swt does not exist" etc)</p>
  
  <p>Does anyone know what I should do???</p>