what is spooler
How To Fix Print Spooler?: A print spooler is software that temporarily stores print jobs on the computer hard disk or in memory until the printer is ready to print them. If you've been waiting an unusually long time for a document to print, or if you see an error message about the print spooler, spooler subsystem, or spooler resources, you might need to change and then restart the Print Spooler service on your computer.