When you select one or more process reports to print and then click the Preview or Print button, the screen flashes and returns to the print selection dialog box; nothing prints/previews.
This can be caused if the printer that is assigned to the printer configurations (Process Reports) is not valid. For example if a printer has been changed in Windows.
Update the printer configurations to reference the correct printer.
This behavior is by design.
If a valid printer cannot be found then the system cannot create the reports because it needs information from the printer to calculate page size, margins, etc.
If you look in the event log you may also see messages indicating a report won't print because the width is too small.