What is LockApp.exe? It is common for the LockApp.exe process to be running on your PC when you open Task Manager. It is an element of the Windows system (Windows 10/8/7 / XP) used to display the lock screen.

The LockApp.exe file locates in a subdirectory of C: \ Windows (e.g., C: \ Windows \ System Apps \ Microsoft.LockApp_cw5n1h2txyewy). The process uses to show you a nice wallpaper, date, time, and other “quick status” items that you have set up to appear on your lock screen. The LockApp.exe process doesn’t work most of the time. The only thing you do is display what you want to see on the lock screen. Hence, it only works when you log into your PC or press Win + L keys to lock your computer. And after you log into your computer, the LockApp.exe process hangs and stops working automatically.

As well as a trick for running programs on the Windows logon screen, you can get the screenshot of the LockApp.exe process from the Processes tab. Some system tools might alert you that the LockApp.exe process is already running on your computer. However, it usually does not appear in this list at all.

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Is LockApp.exe using a lot of system resources?

The LockApp.exe process doesn’t consume many system resources and only uses around 10-12MB of system memory when it is fully functional. And when the process stops, it only consumes 48KB of memory. For details, see the Task Manager Details tab. So, if a system tool notifies you that the LockApp.exe process has been running for a long time, it means that your computer has been locked and woken up for a long time.

The LockApp.exe process locates to light and tiny. If the processes use a lot of CPU, memory, or other resources, a fatal error has occurred in Windows. So, if you want to advance your computer’s performance.

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Is the LockApp.exe process safe?

There is no complaint that viruses or other malware impersonate the LockApp.exe process. However, you should be aware that this is especially possible if the LockApp.exe process locates in the C: \ Windows or C: \ Windows \ System32folder. Malware likes to mimic legitimate system processes to enter. Therefore, you need to check the LockApp.exe process in Task Manager. For that, proceed as follows:

Step 1: Right-click on the Start, then next select Task Manager.

Step 2: Move to the Details tab and right-click on theLockApp.exe process to select Open file location.

Step 3: The File Explorer window opens. Then check if the process is in this folder: C: \ Windows \ System Apps \ Microsoft.LockApp_cw5n1h2txyewy.

If theLockApp.exe process is in a different folder, malware may be running on your computer. So it is suggested to run a system scan with Windows Defender or other antivirus software to detect malware.

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Disable LockApp.exe on Windows 10?

If you want to close theLockApp.exe, there is one thing you should know: you will only see the standard login prompt with no background image or other quick status items when you start, enable, or lock your computer. Follow the commands to disable theLockApp.exe process on Windows 10:

Step 1: Open File Explorer and navigate to this path: C: \ Windows \ System Apps

Step 2: Right click on Microsoft.LockApp_cw5n1h2txyewy folder and choose Rename. Change the name to Microsoft.LockApp_cw5n1h2txyewy.backup.

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