Plus what to do if it doesn't work properly

Almost all system processes, apps, and services on the Windows operating system have their executable (.exe) files. For example, SMSS.exe powers the Microsoft Management Console, MMC.exe powers the Microsoft Management Console, and so on.

Normally, Windows requires a number of system services to perform essential tasks on your PC. Others, Windows may be missing. The Spooler Subsystem app is a vital system process. In this explanation, we’ll walk you through the functions of the Spooler Subsystem app. We’ll also show you what to do if the app ever stops working properly.

All Windows computers come with the spooler subsystem application. The program is an important system component responsible for spooling print jobs. The application acts as an intermediary that transports data from your applications (browser, word processors, etc.) to your printer.