spoolsv.exe is a Microsoft Windows system executable which handles the printing process to your local printers. Note: spoolsv.exe is also a process which is registered as the Backdoor.Ciadoor.B Trojan. This Trojan allows attackers to access your computer, stealing passwords and personal data. It is a registered security risk and should be removed immediately. Please see additional details regarding this process
parce que la je suis pas sur de comprendre lol