在尝试启动Windows 安全(Windows Security)应用程序时,您是否收到“您需要一个新应用程序才能打开此(You’ll need a new app to open this)windowsdefender 链接”错误?如果是这样,你的应用程序或电脑可能有损坏的文件或错误指定的设置。我们将向您展示如何修复它们以使Windows 安全中心(Windows Security)正常工作。
通常情况下,上述问题的发生是由于Windows 安全(Windows Security)应用程序中的问题。该错误的其他原因包括Windows错误、来自第三方防病毒工具的干扰等。

重新启动您的 Windows PC
解决Windows中大多数问题的一种简单方法是重新启动您的 PC(reboot your PC)。这样做可以修复系统的许多小故障,让您的应用程序获得无错误的体验。
您的Windows 安全(Windows Security)应用程序错误可能是由系统错误引起的。只需(Simply)重新启动您的 PC 即可解决问题。
重新启动 Windows 10
- 打开“开始”菜单。
- 选择电源图标。
- 在菜单中选择重新启动。

重新启动 Windows 11
- 访问“开始”菜单。
- 选择菜单底部的
电源图标。(Power)
- 在菜单中选择重新启动。

重置 Windows 安全应用程序
与所有其他应用程序一样,Windows 安全(Windows Security)中心有时会遇到问题。解决这些与应用程序相关的问题的一种方法是重置有问题的应用程序。这样做会删除您在应用程序中的数据和配置选项,让您从头开始使用该应用程序。
在 Windows 10 上
- 打开“开始(Start)”菜单,搜索“ Windows 安全(Windows Security)”,右键单击该应用,然后选择“应用(App)设置”。

- 在下一页上选择重置。

- 在提示中选择重置。
- 重新启动 Windows PC。
在 Windows 11 上
- 按Windows + I
启动设置。
- 在左侧边栏中选择应用程序。
- 选择(Choose Apps)右侧的应用和功能。
- 找到 Windows Security(Locate Windows Security),选择应用旁边的三个点,然后选择Advanced options。

- 选择重置按钮。

- 在提示中选择重置。
- 重新启动您的电脑。
关闭第三方防病毒程序(Antivirus Program)
当您的第三方防病毒工具(your third-party antivirus tool)干扰Windows 安全(Windows Security)时,您可能会收到“您需要一个新应用程序才能打开此 windowsdefender 链接”错误。这种情况经常发生,因为这些工具和Windows 安全(Windows Security)中心在您的 PC 上执行相同的任务。
您可以通过关闭防病毒保护来解决这个问题。大多数防病毒程序都可以选择在其主屏幕上启用和禁用保护。
如果禁用第三方防病毒保护解决了问题,您应该卸载该程序(uninstall the program)以避免在Windows 安全(Windows Security)中看到相同的错误。下面介绍了如何在 Windows PC 上卸载应用程序。
在 Windows 10 上
- 按Windows + I
启动设置。
- 在设置中选择应用程序。
- 在列表中选择您的防病毒软件,然后选择卸载(Uninstall)。

- 在提示中选择卸载。
- 重新启动您的电脑。
在 Windows 11 上
- 右键单击(Right-click)“开始(Start)”菜单图标并选择“设置”(Settings)。或者,按Windows + I。
- 选择(Select Apps)左侧的应用和右侧的应用(Apps)和功能。
- 在列表中找到您的防病毒软件,选择程序旁边的三个点,然后选择卸载(Uninstall)。

- 在提示中选择卸载。
- 重启你的电脑。
更新您的 Windows 10 或 11 版本
过时的Windows 10或 11 操作系统版本可能会导致您的 PC 出现许多问题。您的Windows 安全(Windows Security)错误可能是由系统错误引起的。
您可以通过将 Windows PC 更新到可用的最新版本(updating your Windows PC to the latest version)来解决此问题。这样做可以修补系统上的各种错误,并可能添加新功能。
在 Windows 10 上
- 按Windows + I 打开设置(Settings)。
- (Select Update)在设置中(Settings)选择更新和安全(Security)。
- 选择左侧的 Windows 更新。
- 选择(Select Check)右侧的检查更新。

- 安装可用更新。
- 重新启动您的电脑。
在 Windows 11 上
- 右键单击(Right-click)“开始(Start)”菜单图标并选择“设置”。
- 选择左侧的 Windows 更新。
- 选择(Choose Check)右侧的检查更新。

- 下载并安装可用的Windows 11更新。
- 重新启动您的电脑。
重新安装并重新注册(Re-register)Windows 安全应用程序(Windows Security App)
如果您的“您需要一个新的应用程序才能打开此 windowsdefender 链接”错误仍然存在,您可以尝试重新安装并重新注册您的Windows 安全(Windows Security)应用程序,看看是否可以解决问题。这样做会删除并重新安装应用程序(removes and reinstalls the app),从而帮助解决几乎所有与应用程序相关的问题。
在 Windows 10 上
- 打开“开始(Start)”,搜索“命令提示符(Command Prompt)”,然后选择该工具。
- 在CMD(CMD)中键入以下内容并按 Enter:
PowerShell -ExecutionPolicy Unrestricted -Command “ & {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + 'AppxManifest.xml' ; 添加 AppxPackage -DisableDevelopmentMode -Register(-Register) $manifest}”

- 执行命令后,关闭命令提示符(Command Prompt)窗口。
在 Windows 11 上
以下过程将重新安装并重新注册所有库存Windows应用程序。
- 访问开始(Access Start),搜索PowerShell,然后选择以管理员身份(Administrator)运行(Run)。
- 在用户帐户控制(User Account Control)提示
中选择是。(Yes)
- (Enter)在PowerShell窗口中输入以下内容,然后按Enter:
Get-AppxPackage -allusers | foreach {Add-AppxPackage -register “$($_.InstallLocation)appxmanifest.xml” -DisableDevelopmentMode}

- 运行完命令后,关闭PowerShell。
修复(Fix Corrupt Files)Windows 10(Your Windows 10)或 11 PC
上的损坏文件
损坏的文件通常会导致(Corrupt)Windows PC出现各种问题。幸运的是,有一种简单的方法可以解决这个问题。
Windows 提供了一个名为SFC(SFC)(系统文件检查器(System File Checker))的内置工具,可让您查找并修复(find and fix all faulty files)系统上的所有错误文件。该工具在大多数情况下会自行运行,因此您不必手动查找任何损坏的文件。
该命令在Windows 10和 11 上的运行方式相同。
- 打开开始(Start)菜单,搜索命令提示符(Command Prompt),然后选择以管理员身份
运行。(Run)
- 在用户帐户控制(User Account Control)提示
中选择是。(Yes)
- 在您的CMD(CMD)窗口中键入以下内容并按 Enter:DISM.exe /Online /Cleanup-image /Restorehealth

- 执行上述命令后,运行以下命令:sfc /scannow

- 允许 SFC(Allow SFC)查找并修复损坏的文件。
- 修复文件后重新启动电脑。
将Windows(Reset Windows) PC 重置为出厂设置(Factory Settings)
如果上述步骤未能解决“您需要一个新应用程序才能打开此 windowsdefender 链接”错误,您最后的选择是将您的 PC 重置为出厂设置(reset your PC to the factory settings)。这样做会删除您所有的自定义配置选项,并让您从头开始设置您的 PC。
请注意,您可以在重置电脑时保留文件。但是,请备份您的重要文件(back up your important files)以防万一。
在 Windows 10 上
- 按Windows + I
启动设置。
- (Select Update)在设置中(Settings)选择更新和安全(Security)。
- 选择左侧的恢复。
- 选择(Choose Get)右侧重置(Reset)此电脑下方的开始。

- 选择保留(Keep)我的文件并按照屏幕上的说明进行操作。
在 Windows 11 上
- 按Windows + I
打开Windows 设置。(Windows Settings)
- 在左侧边栏中选择系统。
- 在右窗格中选择恢复。
- 选择重置(Reset PC)此电脑旁边的重置电脑。

- 选择保留(Choose Keep)我的文件并按照屏幕上的说明进行操作。
解决Windows 10(Your Windows 10)或 11 PC
上的 Windows 安全应用程序(App)错误
Windows 安全中心(Windows Security)是您计算机的重要组成部分。如果您发现应用程序出现故障或无法启动,上述方法应该可以帮助您解决问题。
解决应用程序问题后,您将能够再次保护您的 PC 免受各种威胁,甚至可以根据需要运行手动扫描(run manual scans)。
How to Fix the “You’ll need a new app to open this windowsdefender link” Error
Do you get a “You’ll need a new app to open this 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.

Restart Your Windows PC
An easy way to fix most issues in Windows is to reboot your PC. 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.
Restart Windows 10
- Open the Start menu.
- Select the Power icon.
- Choose Restart in the menu.

Restart Windows 11
- Access the Start menu.
- Select the Power icon at the bottom of the menu.
- Choose Restart in the menu.

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.
On Windows 10
- Open the Start menu, search for Windows Security, right-click the app, and choose App settings.

- Select Reset on the following page.

- Choose Reset in the prompt.
- Restart your Windows PC.
On Windows 11
- Launch Settings by pressing Windows + I.
- Select Apps in the left sidebar.
- Choose Apps & features on the right.
- Locate Windows Security, select the three dots next to the app, and choose Advanced options.

- Select the Reset button.

- Choose Reset in the prompt.
- Reboot your PC.
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 uninstall the program to avoid seeing the same error in Windows Security. Here’s how to uninstall an app on your Windows PC.
On Windows 10
- Launch Settings by pressing Windows + I.
- Select Apps in Settings.
- Choose your antivirus on the list and select Uninstall.

- Select Uninstall in the prompt.
- Reboot your PC.
On Windows 11
- Right-click the Start menu icon and choose Settings. Alternatively, press Windows + I.
- Select Apps on the left and Apps & features on the right.
- Find your antivirus on the list, select the three dots next to the program, and choose Uninstall.

- Select Uninstall in the prompt.
- Restart your computer.
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.
You can fix that by updating your Windows PC to the latest version available. Doing so patches various bugs on your system and possibly adds new features.
On Windows 10
- Press Windows + I to open Settings.
- Select Update & Security in Settings.
- Choose Windows Update on the left.
- Select Check for updates on the right.

- Install the available updates.
- Reboot your PC.
On Windows 11
- Right-click the Start menu icon and choose Settings.
- Select Windows Update on the left.
- Choose Check for updates on the right.

- Download and install the available Windows 11 updates.
- Restart your PC.
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.
On Windows 10
- Open Start, search for Command Prompt, and select the tool.
- Type the following in CMD and press Enter:
PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + ‘\AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}”

- After executing the command, close the Command Prompt window.
On Windows 11
The following procedure will reinstall and re-register all stock Windows apps.
- Access Start, search for PowerShell, and select Run as Administrator.
- Select Yes in the User Account Control prompt.
- Enter the following in your PowerShell window and press Enter:
Get-AppxPackage -allusers | foreach {Add-AppxPackage -register “$($_.InstallLocation)\appxmanifest.xml” -DisableDevelopmentMode}

- When you’ve finished running the command, close PowerShell.
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.
- Open the Start menu, search for Command Prompt, and select Run as administrator.
- Select Yes in the User Account Control prompt.
- Type the following in your CMD window and press Enter: 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, back up your important files just in case.
On Windows 10
- Launch Settings by pressing Windows + I.
- Select Update & Security in Settings.
- Select Recovery on the left.
- Choose Get started beneath Reset this PC on the right.

- Select Keep my files and follow the on-screen instructions.
On Windows 11
- Open Windows Settings by pressing Windows + I.
- Select System in the left sidebar.
- Choose Recovery on the right pane.
- Select Reset PC next to Reset this PC.

- Choose Keep my files 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 if you want.