Why Excel does not respond when I right-click .xls file and try to convert it to PDF? Brad Lee August 21, 2014 03:21 Updated Follow This error is caused by Office XP, not PDF Driver. Please download Service Pack 3 of Office XP from Microsoft website. Related articles I cannot set conversion settings for Driver, what should I do? When printing Word file, it prints Letter format to A4 format, what's wrong? How do I find Gaaiho add-ins in IE11 under Windows 8.1? I got bad result after converting PDF/A with Gaaiho PDF Driver? Which is my company's best fit: Gaaiho PDF Converter or Gaaiho PDF Server? Comments 0 comments Please sign in to leave a comment.