What Is Lockapp.exe File?

Lockapp.exe File is one of the programs you may notice on your Windows 10 PC’s Task Manager. It is one of the executable (.exe) files that support Windows 10 operations.

Although lockApp.exe is mainly responsible for displaying your PC’s lock screen on Windows 10, some Windows 10 users have reported that it sometimes displays high GPU and CPU usage.

If you’ve noticed that the lockApp.exe file is using a high CPU on your Task Manager, this article will help you know what it is and identify if it is safe.

LockApp.exe File Information

LockApp.exe is an important Windows component. When you turn on your PC, you will see a lock screen with a background that shows time, image, date, or any other items that you might have set to appear on the lock screen. LockApp.exe is responsible for showing and controlling the lock screen display.

LockApp.exe only works when your PC is on lock screen mode or when you lock it by pressing Windows key + L. It suspends itself after you’re signed in to or off from your PC. This is why it doesn’t usually appear on the list of tasks in the Task Manager.

If LockApp.exe appears on your Task Manager, it is essential to check the file information to ensure that it is the right program that should be running on your PC.
Here’s LockApp.exe file information that you should be keen to check:

  • File Name (internal): LockApp.exe
  • Manufacturer (Developer): Microsoft Corporation
  • Software Program: Microsoft® Windows® Operating System
  • File Operating System: Windows NT 32-bit
  • Operating System Supported: Windows XP, 7, 8, and 10
  • Executable File: LockApp.exe
  • Known File Size: 3,744,160 (bytes)
  • Location: C:\Windows\SystemApps\Microsoft.LockApp_cw5n1h2txyewy

Is LockApp.exe Safe?

LockApp.exe is a legitimate Windows program developed and distributed by Microsoft. It is an essential Windows component and a core Windows system file responsible for controlling the Windows PC lock screen. It seldom causes problems in Windows. But it is digitally signed by Microsoft and might not be visible in the system.

It is worth noting that LockApp.exe has the .exe file extension, which indicates that it is an executable file. Some executable files may cause harm to your PC because they’re easily susceptible to malware attacks. Additionally, some malware entities or virus programmers intentionally develop malware files and name them lockApp.exe or an almost similar name to evade detection.

Why Is LockApp.exe Using High CPU Power?

The LockApp.exe process is designed to use minimal system resources and memory. It usually uses around 10 to 12 MB of memory when your PC is at the lock screen and around 48 KB when it is suspended. If the PC was sitting under the lock screen for an extended period, then LockApp.exe may go up but it will be suspended immediately when you sign in to your PC.

However, some users have noted that LockApp.exe can have a higher CPU usage of up to 12000 KB of memory and 25-30% of CPU background usage. This should not be the case.

If you notice a high memory usage by that LockApp.exe file, and your computer is running slow, then there must be a reason behind it. Check your system files if the LockApp.exe file is located in a different folder. If it is located outside disk C:\, has a large file size, and demonstrates a high CPU usage, it can be a malware entity.

In this outbyte.com blog, you will find detailed guidelines on fixing high GPU and CPU usage by lockapp.exe on Windows 10.

Wrapping Up

Even though it is an essential Windows system file, lockApp.exe is not designed to use high computer resources. If you notice LockApp.exe using a high CPU and GPU, there must be a reason. In that case, you need to take immediate action to identify the cause and fix the problem.

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