{"id":175,"date":"2026-04-18T00:00:00","date_gmt":"2026-04-18T00:00:00","guid":{"rendered":"https:\/\/codesigncert.com\/resourcesnew\/what-is-lockapp-exe-disable-fix-windows\/"},"modified":"2026-08-02T09:03:26","modified_gmt":"2026-08-02T09:03:26","slug":"what-is-lockapp-exe-disable-fix-windows","status":"publish","type":"resources","link":"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/","title":{"rendered":"What is LockApp.exe? How to Disable It or Fix It on Windows 11\/10"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#What_Is_LockAppexe\" >What Is LockApp.exe?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#What_Does_LockAppexe_Actually_Do\" >What Does LockApp.exe Actually Do?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#Does_LockAppexe_Use_a_Lot_of_CPU_or_RAM\" >Does LockApp.exe Use a Lot of CPU or RAM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#Is_LockAppexe_Safe_or_Could_It_Be_a_Virus\" >Is LockApp.exe Safe, or Could It Be a Virus?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#How_to_Fix_LockAppexe_High_CPU_Usage_on_Windows_1110\" >How to Fix LockApp.exe High CPU Usage on Windows 11\/10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#How_to_Disable_LockAppexe_on_Windows_10_and_11\" >How to Disable LockApp.exe on Windows 10 and 11<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#Should_You_Delete_LockAppexe_Entirely\" >Should You Delete LockApp.exe Entirely?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/codesigncert.com\/resources\/what-is-lockapp-exe-disable-fix-windows\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"col-lg-12 mb-3 p-2\">\n<p>Every time you walk away from your computer and come back to a beautiful wallpaper with a clock on it, that&#8217;s not magic \u2014 that&#8217;s LockApp.exe doing its job quietly behind the scenes. But what exactly is it? Is it safe? And what should you do when it starts misbehaving?<\/p>\n<p>This guide covers everything you need to know:<\/p>\n<ul>\n<li>What LockApp.exe is and what it does<\/li>\n<li>Whether it is safe or could be a virus<\/li>\n<li>How much system memory and CPU it uses<\/li>\n<li>How to disable it on Windows 10 and 11<\/li>\n<li>How to fix LockApp.exe errors and high CPU issues<\/li>\n<\/ul>\n<p>Let&#8217;s get into it.<\/p>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_LockAppexe\"><\/span>What Is LockApp.exe?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>LockApp.exe is a built-in Microsoft Windows process that powers the lock screen \u2014 the visual layer you see before typing your PIN, password, or signing in with Windows Hello.<\/p>\n<p>It is responsible for displaying:<\/p>\n<ul>\n<li>Your chosen lock screen background or Windows Spotlight images<\/li>\n<li>The current date and time<\/li>\n<li>App notifications (missed calls, unread emails, calendar reminders)<\/li>\n<li>The sign-in prompt area<\/li>\n<\/ul>\n<p>Think of it as a thin, dedicated mini-app that wakes up just long enough to show you the lock screen, then goes right back to sleep once you&#8217;re signed in.<\/p>\n<p>The file lives here on your system:<\/p>\n<div class=\"code-block\">C:WindowsSystemAppsMicrosoft.LockApp_cw5n1h2txyewy<\/div>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_LockAppexe_Actually_Do\"><\/span>What Does LockApp.exe Actually Do?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When your PC locks \u2014 either because you pressed Win + L, your system went idle, or you woke it from sleep \u2014 Windows hands control of the screen to LockApp.exe. It draws everything you see on that screen.<\/p>\n<p>The moment you unlock your device and reach the desktop, LockApp.exe suspends itself automatically. It doesn&#8217;t sit there running in the background while you work, stream videos, or browse the web. That&#8217;s by design \u2014 it was built to be as lightweight and non-intrusive as possible.<\/p>\n<p>Here is a quick summary of when LockApp.exe is active versus idle:<\/p>\n<div class=\"table-responsive mb-4\">\n<table class=\"table table-bordered table-striped align-middle\">\n<thead class=\"table-dark\">\n<tr>\n<th>Situation<\/th>\n<th>LockApp.exe Status<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PC is locked or sleeping<\/td>\n<td>Active<\/td>\n<\/tr>\n<tr>\n<td>You&#8217;re at the sign-in screen<\/td>\n<td>Active<\/td>\n<\/tr>\n<tr>\n<td>You&#8217;ve signed in and are on the desktop<\/td>\n<td>Suspended<\/td>\n<\/tr>\n<tr>\n<td>Multiple users are switching sessions<\/td>\n<td>Briefly active<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"Does_LockAppexe_Use_a_Lot_of_CPU_or_RAM\"><\/span>Does LockApp.exe Use a Lot of CPU or RAM?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Under normal circumstances, no \u2014 LockApp.exe has a very small resource footprint.<\/p>\n<ul>\n<li><strong>When the lock screen is visible:<\/strong> It typically uses around 10\u201315 MB of RAM and very little CPU.<\/li>\n<li><strong>After you sign in and it suspends:<\/strong> Memory usage drops to roughly 48 KB \u2014 practically nothing.<\/li>\n<\/ul>\n<p>If you notice LockApp.exe consistently consuming high CPU (say, above 10\u201320%) even after you&#8217;ve logged in and are actively using your desktop, that&#8217;s a signal something isn&#8217;t right. We cover how to fix that below.<\/p>\n<p>To check its exact resource usage:<\/p>\n<ol>\n<li>Press Ctrl + Shift + Esc to open Task Manager.<\/li>\n<li>Click the Details tab.<\/li>\n<li>Find LockApp.exe in the list and check the CPU and Memory columns.<\/li>\n<\/ol>\n<div class=\"alert alert-info\"><strong>Pro Tip:<\/strong> If Task Manager shows LockApp.exe has been running for a long time, it likely means your PC sat on the lock screen for an extended period \u2014 not that anything is wrong.<\/div>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"Is_LockAppexe_Safe_or_Could_It_Be_a_Virus\"><\/span>Is LockApp.exe Safe, or Could It Be a Virus?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The real LockApp.exe is completely safe. It is a digitally signed Microsoft component, and it does not access your files, transmit data to external servers, or monitor your activity in any way.<\/p>\n<p>That said, cybercriminals sometimes name malicious files after well-known Windows processes to blend in and avoid suspicion. This means it&#8217;s worth doing a quick location check if you&#8217;re ever unsure.<\/p>\n<h3>How to Verify LockApp.exe Is Legitimate<\/h3>\n<p>Follow these steps to confirm the file on your system is the genuine one:<\/p>\n<ul class=\"list-unstyled\">\n<li class=\"mb-2\"><strong>Step 1.<\/strong> Press Ctrl + Shift + Esc to open Task Manager and navigate to the Details tab.<\/li>\n<li class=\"mb-2\"><strong>Step 2.<\/strong> Scroll down, find LockApp.exe, right-click it, and select Open file location.<\/li>\n<li class=\"mb-2\"><strong>Step 3.<\/strong> A File Explorer window will open. Verify the file path reads:\n<div class=\"code-block mt-2\">C:WindowsSystemAppsMicrosoft.LockApp_cw5n1h2txyewy<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 4.<\/strong> If the path is different \u2014 for example, inside C:Users or C:Temp \u2014 that is a red flag. Run a full antivirus scan immediately.<\/li>\n<li class=\"mb-2\"><strong>Step 5.<\/strong> To check the digital signature, right-click the LockApp.exe file, choose Properties, go to the Digital Signatures tab, and confirm the signer is Microsoft Corporation.<\/li>\n<\/ul>\n<div class=\"alert alert-warning\"><strong>Warning:<\/strong> If LockApp.exe is located anywhere other than the SystemApps folder listed above, do not ignore it. Run Windows Defender or a trusted third-party antivirus tool right away.<\/div>\n<h3>How to Run a Windows Defender Scan<\/h3>\n<p>If you suspect the file may be malicious, here&#8217;s how to run a thorough scan using Windows&#8217; built-in security tool:<\/p>\n<ul class=\"list-unstyled\">\n<li><strong>Step 1.<\/strong> Press Win + R, type <code>ms-settings:windowsdefender<\/code>, and hit Enter.<\/li>\n<li><strong>Step 2.<\/strong> Click Virus &amp; threat protection.<\/li>\n<li><strong>Step 3.<\/strong> Under Current threats, click Scan options.<\/li>\n<li><strong>Step 4.<\/strong> Select Full scan and click Scan now.<\/li>\n<\/ul>\n<p>Windows Defender will inspect every file on your system and flag anything suspicious.<\/p>\n<h3>Common LockApp.exe Errors and What They Mean<\/h3>\n<p>Here are the errors users most frequently report with LockApp.exe:<\/p>\n<ol>\n<li class=\"mb-2\"><strong>Lock screen freezes and won&#8217;t respond<\/strong><br \/>\nThe lock screen appears but won&#8217;t react to keyboard input or mouse movement. Usually caused by a graphics driver conflict or a corrupted lock screen cache.<\/li>\n<li class=\"mb-2\"><strong>&#8220;Error starting program \u2013 LockApp.exe&#8221;<\/strong><br \/>\nWindows couldn&#8217;t launch the lock screen process, often due to corrupted system files or a recent failed Windows Update.<\/li>\n<li class=\"mb-2\"><strong>Lock screen background is black or blank<\/strong><br \/>\nWindows Spotlight has failed to load its assets, or the Content Delivery Manager cache has become corrupted.<\/li>\n<li class=\"mb-2\"><strong>High CPU usage by LockApp.exe<\/strong><br \/>\nThe lock screen process is looping or stuck. Usually tied to Windows Spotlight, a damaged user profile, or outdated graphics drivers.<\/li>\n<\/ol>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Fix_LockAppexe_High_CPU_Usage_on_Windows_1110\"><\/span>How to Fix LockApp.exe High CPU Usage on Windows 11\/10<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3>Fix 1: Turn Off Windows Spotlight<\/h3>\n<p>Windows Spotlight pulls dynamic images from Microsoft&#8217;s servers and is the most common reason LockApp.exe gets stuck in a loop.<\/p>\n<ul class=\"list-unstyled\">\n<li><strong>Step 1.<\/strong> Open Settings &gt; Personalization &gt; Lock screen.<\/li>\n<li><strong>Step 2.<\/strong> Under Personalize your lock screen, change Windows Spotlight to Picture or Slideshow.<\/li>\n<li><strong>Step 3.<\/strong> Disable the toggle for Get fun facts, tips, and more from Windows and Cortana on your lock screen.<\/li>\n<li><strong>Step 4.<\/strong> Restart your PC and check if CPU usage has returned to normal.<\/li>\n<\/ul>\n<h3>Fix 2: Clear the Lock Screen Asset Cache<\/h3>\n<p>When Windows Spotlight&#8217;s cached images become corrupted, LockApp.exe can get stuck trying to load them.<\/p>\n<ul class=\"list-unstyled\">\n<li class=\"mb-2\"><strong>Step 1.<\/strong> Press Win + R and paste the following path:\n<div class=\"code-block mt-2\">%localappdata%PackagesMicrosoft.Windows.ContentDeliveryManager_cw5n1h2txyewyLocalState<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 2.<\/strong> Open the Assets folder and delete all files inside it. Do the same for the Settings folder if present.<\/li>\n<li class=\"mb-2\"><strong>Step 3.<\/strong> Restart your PC.<\/li>\n<\/ul>\n<p>Windows will automatically rebuild the cache with fresh assets.<\/p>\n<h3>Fix 3: Update or Roll Back Your Graphics Driver<\/h3>\n<p>LockApp.exe relies on GPU acceleration to render the lock screen smoothly. A faulty or outdated graphics driver can cause it to spin endlessly.<\/p>\n<ul class=\"list-unstyled\">\n<li><strong>Step 1.<\/strong> Right-click the Start button and select Device Manager.<\/li>\n<li><strong>Step 2.<\/strong> Expand Display adapters and right-click your GPU.<\/li>\n<li><strong>Step 3.<\/strong> Click Update driver &gt; Search automatically for drivers.<\/li>\n<li><strong>Step 4.<\/strong> If the problem started right after a driver update, go to Properties &gt; Driver tab &gt; Roll Back Driver instead.<\/li>\n<\/ul>\n<h3>Fix 4: Run System File Checker and DISM<\/h3>\n<p>Corrupted Windows system files can cause LockApp.exe to malfunction. These two built-in tools can scan and repair them.<\/p>\n<ul class=\"list-unstyled\">\n<li class=\"mb-2\"><strong>Step 1.<\/strong> Click the Start menu, search for Command Prompt, right-click it, and choose Run as administrator.<\/li>\n<li class=\"mb-2\"><strong>Step 2.<\/strong> Type the following and press Enter:\n<div class=\"code-block mt-2\">sfc \/scannow<\/div>\n<p>Wait for the scan to complete. If it finds and repairs issues, restart your PC.<\/li>\n<li class=\"mb-2\"><strong>Step 3.<\/strong> If the problem persists, run this DISM command next:\n<div class=\"code-block mt-2\">DISM \/Online \/Cleanup-Image \/RestoreHealth<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 4.<\/strong> Restart your PC once the process finishes.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Disable_LockAppexe_on_Windows_10_and_11\"><\/span>How to Disable LockApp.exe on Windows 10 and 11<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Disabling LockApp.exe won&#8217;t harm your system, but understand the tradeoff: you&#8217;ll bypass the visual lock screen and land straight on the sign-in prompt instead \u2014 no background, no notifications, no Spotlight images. There are two ways to do this.<\/p>\n<h3>Method 1: Rename the LockApp Folder (Quickest Way)<\/h3>\n<ul class=\"list-unstyled\">\n<li class=\"mb-2\"><strong>Step 1.<\/strong> Press Win + R, type the following path, and click OK:\n<div class=\"code-block mt-2\">C:WindowsSystemApps<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 2.<\/strong> Locate the folder named:\n<div class=\"code-block mt-2\">Microsoft.LockApp_cw5n1h2txyewy<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 3.<\/strong> Right-click it and select Rename. Add <code>.backup<\/code> to the end of the name so it reads:\n<div class=\"code-block mt-2\">Microsoft.LockApp_cw5n1h2txyewy.backup<\/div>\n<p><em>Note: You may need administrator privileges to rename this folder. If Windows throws a permission error, take ownership of the folder first via its Properties &gt; Security settings.<\/em><\/li>\n<li class=\"mb-2\"><strong>Step 4.<\/strong> Close File Explorer. The lock screen is now disabled.<\/li>\n<\/ul>\n<p>To re-enable it at any time, simply rename the folder back to its original name.<\/p>\n<h3>Method 2: Disable the Lock Screen via Registry Editor<\/h3>\n<p>This method uses a registry policy to suppress the lock screen overlay entirely.<\/p>\n<div class=\"alert alert-danger\"><strong>Warning:<\/strong> Editing the Windows Registry incorrectly can cause serious system issues. Create a Registry backup before proceeding.<\/div>\n<ul class=\"list-unstyled\">\n<li><strong>Step 1.<\/strong> Press Win + R, type <code>regedit<\/code>, and press Enter. Click Yes if prompted by UAC.<\/li>\n<li class=\"mb-2\"><strong>Step 2.<\/strong> Navigate to the following key using the left panel:\n<div class=\"code-block mt-2\">HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 3.<\/strong> Right-click the Windows key, hover over New, and select Key. Name the new key:\n<div class=\"code-block mt-2\">Personalization<\/div>\n<\/li>\n<li class=\"mb-2\"><strong>Step 4.<\/strong> Right-click inside the Personalization key, choose New &gt; DWORD (32-bit) Value, and name it:\n<div class=\"code-block mt-2\">NoLockScreen<\/div>\n<\/li>\n<li><strong>Step 5.<\/strong> Double-click NoLockScreen and set the Value data to <code>1<\/code>. Click OK.<\/li>\n<li><strong>Step 6.<\/strong> Close the Registry Editor and restart your PC.<\/li>\n<\/ul>\n<p>From now on, Windows will skip the lock screen and take you directly to the sign-in screen.<\/p>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"Should_You_Delete_LockAppexe_Entirely\"><\/span>Should You Delete LockApp.exe Entirely?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>No. Deleting LockApp.exe is not recommended and isn&#8217;t something most users can do easily anyway, since Windows protects system files in the SystemApps folder. Even if you managed to remove it, Windows Update would likely restore it the next time it runs.<\/p>\n<p>Renaming the folder (Method 1 above) or using the registry policy (Method 2) are the two supported and reversible approaches if you want to suppress the lock screen.<\/p>\n<\/section>\n<section>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"faq-q text-primary\">Q: Is it normal to see LockApp.exe in Task Manager?<\/h3>\n<p class=\"mb-4\">Yes. If your PC recently came out of a locked or sleep state, seeing LockApp.exe briefly in Task Manager is completely normal.<\/p>\n<h3 class=\"faq-q text-primary\">Q: Will disabling LockApp.exe speed up my PC?<\/h3>\n<p class=\"mb-4\">Marginally, since the process already uses very little memory. You won&#8217;t notice a significant performance improvement from disabling it.<\/p>\n<h3 class=\"faq-q text-primary\">Q: Can LockApp.exe access my personal files or the internet?<\/h3>\n<p class=\"mb-4\">No. The legitimate LockApp.exe only interacts with lock screen assets and display settings. It has no access to personal files and does not communicate with external servers on its own.<\/p>\n<h3 class=\"faq-q text-primary\">Q: LockApp.exe keeps coming back after I disable it. Why?<\/h3>\n<p class=\"mb-4\">Windows Update can sometimes restore default system folder names. If this happens, simply re-apply your chosen disable method after the update.<\/p>\n<\/section>\n<section class=\"mb-5 pb-5\">\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>LockApp.exe is a harmless and necessary part of Windows 10 and 11 that quietly handles everything you see on your lock screen. In the overwhelming majority of cases, you don&#8217;t need to do anything about it. It uses minimal resources, suspends itself the moment you sign in, and poses no security risk when located in its correct system folder.<\/p>\n<p>If you&#8217;re seeing high CPU usage, strange errors, or a frozen lock screen, the fixes outlined in this guide \u2014 clearing the Spotlight cache, updating graphics drivers, or running SFC \u2014 will resolve it in most cases.<\/p>\n<p>And if you simply prefer to skip the lock screen altogether, both the folder rename and registry methods above give you a clean, reversible way to do that.<\/p>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Every time you walk away from your computer and come back to a beautiful wallpaper with a clock on it, that&#8217;s not magic \ufffd that&#8217;s LockApp.exe doing its job quietly behind the scenes. But what exactly is it? Is it safe? And what should you do when it starts misbehaving?<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"resources_category":[50],"class_list":["post-175","resources","type-resources","status-publish","hentry","resources_category-code-signing-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is LockApp.exe? How to Disable It or Fix It on Windows 11\/10<\/title>\n<meta name=\"description\" content=\"Learn what LockApp.exe is in Windows 11\/10, whether it\u2019s safe, and how to disable or fix issues causing high CPU or performance problems.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is LockApp.exe? 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