What is SLEE401.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 SLEE401.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.

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SLEE401.exe file information

The process known as Steganos Live Encryption Engine (Version (version 401) [Service]) belongs to software Steganos Security Suite or Steganos Live Encryption Engine by Steganos GmbH (

Description: SLEE401.exe is not essential for the Windows OS and causes relatively few problems. SLEE401.exe is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 53,248 bytes. 
The SLEE401.exe file is a file with no information about its developer. The program is not visible. The SLEE401.exe file is not a Windows core file. It is located in the Windows folder, but it is not a Windows core file. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to uninstall the software Steganos Security Suite or Steganos Live Encryption using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify SLEE401.exe related errors

Important: Some malware disguises itself as SLEE401.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the SLEE401.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

Steganos Live Encryption Engine
  Bär   (further information)
stammt von Steganos Security Suite 5
Möglicherweise Steganos
slee401.exe is a part of the application that is associated with Steganos Security Suite 4. It provides realtime live Encryption. This program is a non-essential system process, but should not be terminated unless suspected to be causing problems.

Rating chart

Summary: Average user rating of SLEE401.exe: based on 8 votes with 4 user comments. 6 users think SLEE401.exe is essential for Windows or an installed application. 2 users think it's neither essential nor dangerous.

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Best practices for resolving SLEE401 issues

A clean and tidy computer is the key requirement for avoiding problems with SLEE401. 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 SLEE401.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

SLEE401.exe [all]