Sometimes PaperPort will not even open. It displays the splash screen (above) and exits, or it may show an "Application Crash" dialog before exiting. There are many reasons for this, but a recent cause that has reached epidemic levels is due to an issue with Firefox. This article offers a solution.
PaperPort 14.5 Patch 1 update is often not detected or downloaded automatically. This article provides direct download links to solve the problem for retail (non-bundled) versions of the Standard and Professional editions, as well as the Professional edition in Nuance's own OmniPage Ultimate bundle.