2022年3月19日 · Check for anything found but is still left over in Settings > Apps > Apps & Features, and C:\Program Files and C:\Program Files(86) to uninstall or delete them. I can guide you how to do this if there are problems.

2021年9月21日 · Since the insider update for the Windows 11, Windows Security has disappeared. Whenever I try to open Windows Security, I am redirected to Microsoft Store to search for an app. How can it be fixed?

2024年6月18日 · I'm encountering an issue with Windows Security on my Windows 11 machine (version 24H2, build 26100.863). When I try to access Windows Security through the Start menu or system tray icon, I can't find the usual 'windowsdefender' option.

2024年9月20日 · You can try these methods if Windows Security is not opening in Windows 11 or if Windows Defender is missing. However, if the problem persists, your only option might be to reset Windows 11 or use a different antivirus software.

2024年5月31日 · Reinstalling Windows Security on Windows 11 isn’t as intimidating as it sounds. You’ll be refreshing the Windows Security app to fix issues or to restore it to default settings. This guide walks you through each step clearly so you can do it yourself without any hiccups.

2024年11月28日 · Windows Security missing in Windows 11/10 is a common issue on your PC after an update. If you meet it, try these solutions here to easily fix it.

2024年12月23日 · How to Fix Windows Security Missing or Not Working (Windows 11) Windows Security Center (or Windows Defender) is a comprehensive security control panel containing basic system security information. Some users find it is missing from the system, or cannot work properly, here's how to fix it.

2024年3月12日 · Open File Explorer and you will see a new drive letter. It will "look" like a DVD optical drive. Double click the new drive letter to open it. Find setup.exe and double click it to start the in-place upgrade. Choose the Keep personal files and apps option.

2023年12月19日 · Let’s have a look at how to reset the Windows Security application in this article. Step 1: Press Windows + R keys together on your keyboard that opens the Run command box. Step 2: Next, type powershell in the run box and press CTRL + SHIFT + ENTER keys together to open the PowerShell application as an admin.

2022年3月7日 · I’ve recently encountered an issue on Windows 11 devices whereby Windows Defender and the Security portal refuse to open, with it showing a “You’ll need a new app to open this windowsdefender link” popup. This appears to stem from a corrupt app install after one of the recent patches.