What is LxrSII1s.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 LxrSII1s.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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LxrSII1s.exe file information

Windows Task Manager with LxrSII1s
LxrSII1s.exe process in Windows Task Manager

The process known as Secure II Service or Lexar Secure II belongs to software Secure II or Lexar Secure II by Lexar Media (

Description: LxrSII1s.exe is not essential for the Windows OS and causes relatively few problems. LxrSII1s.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 49,152 bytes (62% of all occurrences), 53,248 bytes or 65,536 bytes. 
The program has no visible window. It is not a Windows core file. There is no description of the program. LxrSII1s.exe is located in the Windows folder, but it is not a Windows core file. Therefore the technical security rating is 70% dangerous, however you should also read the user reviews.

Recommended: Identify LxrSII1s.exe related errors

Important: Some malware camouflages itself as LxrSII1s.exe. Therefore, you should check the LxrSII1s.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

Its a Decryption program for a Lexar Memory Stick
  Rick   (further information)
It's installed frons a usb drive to lock some of the archives of this usb drive from the Lexar company
lexar secure II service installed with driver for USB flash drive
Lexar Secure II software that comes with flash drives
Lexar Secure II installed with Lexar USB Drive software
Guess it came with my Lexar Memory Stick.
LxrSII1s.exe is the Lexar Secure II service that is installed with the driver for Lexar USB Flash Drives.
LxrSII1s.exe is the Lexar Secure II service that is installed with the driver for Lexar USB Flash Drives.
  Ken Messersmith   (further information)
LxrSII1s.exe is the Lexar Secure II service that is installed with the driver for Lexar USB Flash Drives.
  Me   (further information)
just usb stuff
LxrSII1s.exe is the Lexar Secure II service that is installed with the driver for Lexar USB Flash Drives.
  Higgs Boson   (further information)
It says it is a 72% risk on my Security task mng.
Lexar Secure II installed with Lexar USB Drive software
It is using up my CPU even though the USB memory is not in
Lexar Secure II service.
this appeared in task manager after i used a lexar usb flash driver. I wl remove it . Thanks

Rating chart

Summary: Average user rating of LxrSII1s.exe: based on 13 votes with 16 user comments. 8 users think LxrSII1s.exe is essential for Windows or an installed application. 2 users think it's probably harmless. 2 users think it's neither essential nor dangerous. One user suspects danger. 3 users don't grade LxrSII1s.exe ("not sure about it").

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Best practices for resolving LxrSII1s issues

A clean and tidy computer is the key requirement for avoiding problems with LxrSII1s. 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 LxrSII1s.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

LxrSII1s.exe [all]