Please submit your question to our Online Support System, and provide your serial number. We will get back to you soon. For the details of our Online Support, please see:http://www.pdfwizard.com/eng/qa/onlinesupport.asp.

BTW, version 6.20 is too old, and stop selling for several years. We strongly suggest you to upgrade to our latest version PDF 8. PDF Driver 8 improves its speed and quality in creating PDF files, with which  users can get perfect PDF files of different requirements. And it also supports Microsoft's latest Windows Vista. For more detail about the features, please visit:http://www.pdfwizard.com/eng/product/drvmore.asp#KeyFeatures. Before the upgrade, you may download the free trial version for evaluation from:http://www.pdfwizard.com/eng/product/downdrv.asp.