Do you get a “Dir braucht eng nei App fir dës opzemaachen 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 Äre Windows PC
An easy way to fix most issues in Windows is to reboot Äre 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 de Start Menu.
- wielt de Power Ikon.
- wielt Neistart am Menu.
Restart Windows 11
- Zougang zum Start Menu.
- wielt de Power icon at the bottom of the menu.
- wielt Neistart am 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.
Op Windows 10
- Open de Start Menu, sichen no Windows Security, right-click the app, and choose App Astellunge.
- wielt zrécksetzen op der nächster Säit.
- wielt zrécksetzen an der Ufro.
- Restart Äre Windows PC.
Op Windows 11
- lancéiere Parameteren duerch dréckt Windows + I.
- wielt Apps an der lénkser Sidebar.
- wielt Apps & Features Riets.
- Situéiert Windows Security, wielt déi dräi Punkten nieft der App, a wielt Erweiterte Optiounen.
- wielt de zrécksetzen Knäppchen.
- wielt zrécksetzen an der Ufro.
- Restart Äre 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 desinstalléieren de Programm to avoid seeing the same error in Windows Security. Here’s how to uninstall an app on your Windows PC.
Op Windows 10
- lancéiere Parameteren duerch dréckt Windows + I.
- wielt Apps an Astellungen.
- Choose your antivirus on the list and select Installéieren.
- wielt Installéieren an der Ufro.
- Restart Äre PC.
Op Windows 11
- Roode Klickt op Start Menü Ikon a wielt Parameteren. Alternativ dréckt Windows + I.
- wielt Apps op der lénker an Apps & Features Riets.
- Find your antivirus on the list, select the three dots next to the program, and choose Installéieren.
- wielt Installéieren an der Ufro.
- Computer unzeginn.
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.
Dir kënnt dat fixéieren duerch updating your Windows PC to the latest version available. Doing so patches various bugs on your system and possibly adds new features.
Op Windows 10
- Press Windows + I op maachen Parameteren.
- wielt Update & Sécherheet an Astellungen.
- wielt Windows Update lénks.
- wielt Iwwerpréift fir Updates Riets.
- Installéiert déi verfügbar Updates.
- Restart Äre PC.
Op Windows 11
- Roode Klickt op Start Menü Ikon a wielt Parameteren.
- wielt Windows Update lénks.
- wielt Iwwerpréift fir Updates Riets.
- Download and install the available Windows 11 updates.
- Restart Äre 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.
Op Windows 10
- Open Start, sichen no Kommando Prompt, a wielt de Tool.
- Type the following in CMD an dréckt op gitt:
PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + ‘AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}”
- After executing the command, close the Kommando Prompt Fënster.
Op Windows 11
The following procedure will reinstall and re-register all stock Windows apps.
- Zougang Start, sichen no PowerShella wielt Run als Administrator.
- wielt Jo an Benotzerkont Kontroll prompt.
- Gitt déi folgend an Ärem PowerShell Fënster an dréckt gitt:
Get-AppxPackage -allusers | foreach {Add-AppxPackage -register “$ ($ _. 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 de Start Menu, sichen no Kommando Prompta wielt Führen als Administrator.
- wielt Jo an Benotzerkont Kontroll prompt.
- Type the following in your CMD Fënster an dréckt gitt: 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, Backupsatellit Är wichteg Fichieren just am Fall.
Op Windows 10
- lancéiere Parameteren duerch dréckt Windows + I.
- wielt Update & Sécherheet an Astellungen.
- wielt Erhuelung lénks.
- wielt Géi beginn ënnert Reset dëse PC Riets.
- wielt Haalt meng Dateien a befollegen d'Instruktioune vum Bildschirm.
Op Windows 11
- Open Windows Settings duerch dréckt Windows + I.
- wielt System an der lénkser Sidebar.
- wielt Erhuelung op der rietser Fënster.
- wielt PC zrécksetzen niewend Reset dëse PC.
- wielt Haalt meng Dateien 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 wann s du wëlls.