Having problems printing PDF files to an All-In-One printer. Error says something about the print spooler not running.
With the little details you gave, I will assume you are correct about print spooler not running.
Go to start -> search and type "services.msc" and press enter. A dialog box will appear listing services, sort alphabetically and find "print spooler". Right click on that and choose properties, find "startup type" and select "automatic". Then press "start" and "apply" and you should be okay.The details may be vague, I'm not on Windows. Hope it helps.