What is looknstop.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 looknstop.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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Looknstop.exe file information

The process known as Look 'n' Stop Firewall or Look 'n' Stop Firewall Personnel belongs to software Look 'n' Stop by Soft4Ever (

Description: Looknstop.exe is not essential for the Windows OS and causes relatively few problems. The looknstop.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 589,008 bytes (25% of all occurrences), 516,164 bytes, 593,128 bytes or 713,704 bytes. 
It is not a Windows system file. Looknstop.exe is digitally signed. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run). Therefore the technical security rating is 31% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you run into problems with looknstop.exe, you can uninstall Look 'n' Stop from your computer using the Control Panel applet Uninstall a Program or visit the support page.

Recommended: Identify looknstop.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as looknstop.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the looknstop.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

Firewall (good)
  Mikexe   (further information)

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

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Best practices for resolving looknstop issues

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

looknstop.exe [all]