What is spooler.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the spooler.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for spooler.exe related errors

Spooler.exe file information

Windows Task Manager with spooler
Spooler.exe process in Windows Task Manager

The process known as Spool Mail Sender or WinLog Daemon Service belongs to software Winlog or eScan Internet Security for or eScan Corporate for Windows by MicroWorld Technologies ( or Daemon (

Description: Spooler.exe is not essential for Windows and will often cause problems. Spooler.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 293,384 bytes (25% of all occurrences), 141,032 bytes, 25,088 bytes or 140,520 bytes. 
The program is not visible. The spooler.exe file is a Verisign signed file. It is digitally signed. It is not a Windows core file. Therefore the technical security rating is 27% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ eScan Internet Security for or eScan Corporate for Windows.

Recommended: Identify spooler.exe related errors

Important: Some malware camouflages itself as spooler.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example TROJ_GEN.R99C1DJ or PE_Generic (detected by TrendMicro), and Win32:Trojan-gen (detected by Avast). Therefore, you should check the spooler.exe 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

this version looks like an IRC bot, it references
When you have it, you can't run norton antivirus anymore, you can delete it in taskmanger, but it comes back all the time... this one is the reason why i downloaded security task manager
My user Printer faiyar and Printer spooler.exe Error starting
  Hardik Prajapati  
If the file is in a folder named RDS in Program Files, it's a file related to a scanner.
Part of ScanRouter V2 (lite) used for network scanning. Linked to 2 services.
  DataVisual Support  
Its a worm. My panda starts to crash because of this
  The Creator  

Rating chart

Summary: Average user rating of spooler.exe: based on 8 votes with 6 user comments. 4 users think spooler.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users think spooler.exe is dangerous and recommend removing it. One user is not sure about it.

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Best practices for resolving spooler issues

A clean and tidy computer is the key requirement for avoiding problems with spooler. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the spooler.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

spooler.exe [all]