LA.exe file information
The process known as Light Alloy or LookupAssistant belongs to software Light Alloy or LookupAssistant by http://sphinx-soft.com or https://light-alloy.com.
Description: LA.exe is not essential for the Windows OS and causes relatively few problems. LA.exe is located in a subfolder of the user's profile folder—for instance C:\Users\USERNAME\AppData\Roaming\LookupAssistant\.
Known file sizes on Windows 10/11/7 are 7,941,144 bytes (50% of all occurrences) or 663,552 bytes. 
The LA.exe file is not a Windows core file.
LA.exe is able to record keyboard and mouse inputs and monitor applications.
Therefore the technical security rating is 44% dangerous; but you should also compare this rating with the user reviews.
Uninstalling this variant:
In case of any problems with LA.exe, you can also uninstall
Light Alloy from your computer using the Control Panel applet
Uninstall a Program.
Recommended: Identify LA.exe related errors
If LA.exe is located in a subfolder of "C:\Program Files", the security rating is 68% dangerous. The file size is 7,941,144 bytes (50% of all occurrences) or 638,976 bytes.
It is not a Windows core file.
LA.exe is able to record keyboard and mouse inputs, monitor applications and connect to the Internet.
Important: Some malware camouflages itself as LA.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the LA.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.
Best practices for resolving LA issues
A clean and tidy computer is the key requirement for avoiding problems with LA. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the LA.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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
explorerframe.exe regcleanr.exe kbddrv.exe LA.exe asusswitch.exe turbo-sandbox.exe pckeeper.exe fancyccv.exe commandcenter.exe account-alarm.exe vpnnm.exe [all]
Score
User Comments
Tim Dolly (further information)
Summary: Average user rating of LA.exe: based on 1 vote with 1 user comment. One user thinks LA.exe is essential for Windows or an installed application.