What is LockApp.exe on Windows 10?

[harlan4096]

You may see a process named LockApp.exe running on your PC. This is normal. LockApp.exe is a part of the Windows 10 operating system and is responsible for displaying the lock screen.

This article is part of our ongoing series explaining various processes found in Task Manager, like Runtime Broker, svchost.exe, dwm.exe, ctfmon.exe, rundll32.exe, Adobe_Updater.exe, and many others. Don’t know what those services are? Better start reading!

What is LockApp.exe?

Specifically, LockApp.exe shows the lock screen overlay that appears before you sign into your PC. This screen shows a pretty background image, the time and date, and any other “quick status” items you’ve chosen to show on your lock screen. For example, you could display weather forecasts or information about new emails here.
The LockApp.exe process displays this screen and all the information on it.

Full reading: https://www.howtogeek.com/366271/what-is...indows-10/