it says "the program is installed already". so i deinstalled 0.9.1 but it still appears. how comes that nobody sees the problem and fixes it???
FAQ!!!
http://www.pdfforge.org/products/pdfcreator/documentation/faq
http://www.pdfforge.org/node/92
Download Windows Installer CleanUp, and delete PDFCreator
Than you can Instal them again
Here's a download link
click here