Do you get a “您需要一个新的应用程序才能打开它 windowsdefender link” error while trying to launch the Windows Security app? If so, your app or PC might have corrupt files or incorrectly specified settings. We’ll show you how to fix them to get Windows Security working.
More often than not, the above issue occurs due to a problem in the Windows Security app. Other reasons for the error include Windows bugs, interference from a third-party antivirus tool, and more.
重新启动您的 Windows 电脑
An easy way to fix most issues in Windows is to 重启你的电脑. Doing so fixes many minor glitches with the system, allowing you to have a bug-free experience with your apps.
Your Windows Security app error may have resulted from a system bug. Simply reboot your PC to resolve the issue.
重新启动Windows 10
- 打开 Start 开始 菜单。
- 点击 功率 图标。
- 重新启动 在菜单中。
重新启动Windows 11
- 访问 Start 开始 菜单。
- 点击 功率 icon at the bottom of the menu.
- 重新启动 在菜单中。
Reset the Windows Security App
Like all other apps, Windows Security can experience issues sometimes. One way to fix these app-related issues is to reset your faulty app. Doing so deletes your data and configured options in the app, letting you use the app from scratch.
在Windows 10上
- 打开 Start 开始 菜单,搜索 Windows安全, right-click the app, and choose 应用程序设置.
- 选择 重设 在下一页上。
- 重设 在提示中。
- 重新启动您的 Windows PC。
在Windows 11上
- 实行 个人设置 按下 Windows + I.
- 选择 应用 在左侧边栏中。
- 应用和功能 在右侧。
- 定位 Windows安全,选择应用程序旁边的三个点,然后选择 高级选项.
- 点击 重设 按钮。
- 重设 在提示中。
- 重启电脑
Turn Off Your Third-Party Antivirus Program
You can get the “You’ll need a new app to open this windowsdefender link” error when your third-party antivirus tool interferes with Windows Security. This often happens as these tools and Windows Security perform the same tasks on your PC.
You can get around that by turning off your antivirus protection. Most antivirus programs have the option to enable and disable protection on their main screen.
If disabling your third-party antivirus protection fixes the issue, you should 卸载程序 to avoid seeing the same error in Windows Security. Here’s how to uninstall an app on your Windows PC.
在Windows 10上
- 实行 个人设置 按下 Windows + I.
- 选择 应用 在设置中。
- Choose your antivirus on the list and select 卸载.
- 选择 卸载 在提示中。
- 重启电脑
在Windows 11上
- 用鼠标右键单击 Start 开始 菜单图标并选择 个人设置。 或者,按 Windows + I.
- 选择 应用 在左边和 应用和功能 在右侧。
- Find your antivirus on the list, select the three dots next to the program, and choose 卸载.
- 选择 卸载 在提示中。
- 重启你的电脑。
Update Your Windows 10 or 11 Version
An outdated Windows 10 or 11 operating system version can cause many problems on your PC. Your Windows Security error may have likely resulted from a bug on your system.
你可以通过以下方式解决这个问题 updating your Windows PC to the latest version available. Doing so patches various bugs on your system and possibly adds new features.
在Windows 10上
- 媒体 Windows + I 打开 个人设置.
- 选择 更新与安全 在设置中。
- Windows更新 在左边。
- 选择 检查更新 在右侧。
- 安装可用更新。
- 重启电脑
在Windows 11上
- 用鼠标右键单击 Start 开始 菜单图标并选择 个人设置.
- 选择 Windows更新 在左边。
- 检查更新 在右侧。
- Download and install the available Windows 11 updates.
- 重启你的电脑。
Reinstall and Re-register the Windows Security App
If your “You’ll need a new app to open this windowsdefender link” error persists, you can try reinstalling and re-registering your Windows Security app to see if that fixes the issue. Doing this removes and reinstalls the app, helping fix nearly all the app-related problems.
在Windows 10上
- 可选 Start 开始, 搜索 命令提示符, 然后选择工具。
- Type the following in CMD 并按下 输入:
PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + ‘AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}”
- After executing the command, close the 命令提示符 窗口。
在Windows 11上
The following procedure will reinstall and re-register all stock Windows apps.
- 访问 Start 开始, 搜索 PowerShell的,然后选择 以管理员身份运行.
- 选择 Yes ,在 用户帐户控制 提示。
- 在您的中输入以下内容 PowerShell的 窗口并按下 输入:
获取 AppxPackage -allusers | foreach {Add-AppxPackage -register“$($_.InstallLocation)appxmanifest.xml”-DisableDevelopmentMode}
- When you’ve finished running the command, close PowerShell的.
Fix Corrupt Files on Your Windows 10 or 11 PC
Corrupt files often cause various problems on a Windows PC. Luckily, there’s an easy way to get around this problem.
Windows offers a built-in tool called SFC (System File Checker) that allows you to find and fix all faulty files on your system. The tool runs on its own for the most part, so you don’t have to locate any corrupt files manually.
The command runs the same way on both Windows 10 and 11.
- 打开 Start 开始 菜单,搜索 命令提示符,然后选择 以管理员身份运行“.
- 选择 Yes ,在 用户帐户控制 提示。
- Type the following in your CMD 窗口并按下 输入: DISM.exe /Online /Cleanup-image /Restorehealth
- After executing the above command, run the following command: sfc /scannow
- Allow SFC to find and fix your corrupt files.
- Restart your PC when you’ve fixed the files.
Reset Windows PC to the Factory Settings
If the above steps have failed to resolve the “You’ll need a new app to open this windowsdefender link” error, your last resort is to reset your PC to the factory settings. Doing so deletes all your custom-configured options and lets you set up your PC from scratch.
Note that you can keep your files while resetting your PC. However, 备份您的重要文件 以防万一。
在Windows 10上
- 实行 个人设置 按下 Windows + I.
- 选择 更新与安全 在设置中。
- 选择 修复工具 在左边。
- 前往在线商城 下面 重置这台电脑 在右侧。
- 选择 保存我的文件 并按照屏幕上的说明。
在Windows 11上
- 可选 Windows设置 按下 Windows + I.
- 选择 系统 在左侧边栏中。
- 修复工具 在右侧窗格中。
- 选择 复位PC 旁边 重置这台电脑.
- 保存我的文件 and follow the instructions on your screen.
Get Around Windows Security’s App Errors on Your Windows 10 or 11 PC
Windows Security is an essential part of your computer. If you find the app malfunctioning or not launching, the above methods should help you deal with the issue.
Once you’ve fixed the problem with your app, you’ll be able to protect your PC again from various threats and even run manual scans 如果你想。