I've tried to make searches on pdfforge.org looking for old support topic.
When using the global site search (my search was made using "print dialog" key terms) I get results but can see pages due to "Page not found" error.
Do you have the same behaviour?
I am having the same problem with anything on this site I search for.
this is due to the new web site, I am afraid. There seem to be pages from the old site left in the google search index and as we use google to search our site, they still get displayed. This will fix itself soon. But if you find such a link, you can go to the old forum content and look for the thread: