I have purchased a PRO package. Why can't I validate digital signatures?
I have created many digital signatures but the software deems them as invalid.
This was a known issue in some builds prior to PDF-XChange Viewer 2.042.4
This issue has been resolved in subsequent builds. If you are experiencing this issue then please update to the most recent version of our products, which are available here.
You can contact us by phone, email or our social media accounts — we are here to assist you.