title: How do I open my Excel sheets without VBA error message?
body: <p>Excel automatically updated last week. Every spreadsheet I open now comes up with error code Run-time error'53':</p>
  <pre><code>File not found:
  /Library/Application/Application Support/Adobe/MACPDFM/MacPDF.framework/Versions/A/MacPDFM
  </code></pre>
  <p>Help and End buttons show. Help does not describe my problem.<br />
  Clicking End twice gets rids of the error message and the spreadsheet opens. I have no idea how to solve this. I am not a programmer and I have not changed any settings in Excel.</p>