What is spoolsv.dll?

Spoolsv.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if spoolsv.dll is a Windows system file or if it belongs to an application that you can trust.

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Spoolsv.dll file information

The process known as spoolsv Module or Microsoft belongs to software spoolsv Module or Microsoft Windows Operating System by Microsoft (

Description: Spoolsv.dll is not essential for the Windows OS and causes relatively few problems. The file spoolsv.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 81,920 bytes (83% of all occurrences) or 83,456 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. There is no description of the program. The program has no visible window. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The spoolsv.dll file is not a Windows system file. Spoolsv.dll is able to monitor applications. Therefore the technical security rating is 86% dangerous; however you should also read the user reviews.

Recommended: Identify spoolsv.dll related errors

If spoolsv.dll is located in the C:\Windows\System32\drivers folder, the security rating is 78% dangerous. The file size is 77,824 bytes (60% of all occurrences) or 114,688 bytes. Spoolsv.dll is a file with no information about its developer. The program is not visible. The spoolsv.dll file is located in the Windows folder, but it is not a Windows core file. It is able to monitor web browsers. There is no detailed description of this service. Spoolsv.dll is not a Windows system file. Spoolsv.dll is able to connect to the Internet and monitor applications.

Important: Some malware camouflages itself as spoolsv.dll. Therefore, you should check the spoolsv.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Die spoolsv / spoolsv.exe (Spooler SubSystem App) gehört zu Windows. Sie sorgt dafür das Druckaufträge nacheinander an den Drucker gesendet werden, und neue Druckaufträge ordnungsgemäss in der Druckerwarteschlange eingereiht werden.

Summary: Average user rating of spoolsv.dll: based on 1 vote with 1 user comment. One user thinks spoolsv.dll is essential for Windows or an installed application.

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Best practices for resolving spoolsv issues

A clean and tidy computer is the key requirement for avoiding problems with spoolsv. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the spoolsv.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

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