Do you get a “Þú þarft nýtt forrit til að opna þetta 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.
Endurræstu Windows tölvuna þína
An easy way to fix most issues in Windows is to endurræsa tölvuna. 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.
Endurræstu Windows 10
- opna Home valmyndinni.
- Veldu Power icon.
- Veldu Endurræsa í valmyndinni.
Endurræstu Windows 11
- aðgang að Home valmyndinni.
- Veldu Power icon at the bottom of the menu.
- Veldu Endurræsa í valmyndinni.
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.
Í Windows 10
- opna Home matseðill, leitaðu að Windows Öryggi, right-click the app, and choose Appstillingar.
- Veldu Endurstilla á næstu síðu.
- Veldu Endurstilla í tilvitnuninni.
- Endurræstu Windows tölvuna þína.
Í Windows 11
- Sjósetja Stillingar með því að ýta á Windows + I.
- Veldu forrit í vinstri skenkur.
- Veldu Forrit og eiginleikar á hægri.
- Finndu Windows Öryggi, veldu punktana þrjá við hlið forritsins og veldu Frekari möguleikar.
- Veldu Endurstilla hnappinn.
- Veldu Endurstilla í tilvitnuninni.
- Endurræstu tölvuna þína.
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 fjarlægja forritið to avoid seeing the same error in Windows Security. Here’s how to uninstall an app on your Windows PC.
Í Windows 10
- Sjósetja Stillingar með því að ýta á Windows + I.
- Veldu forrit í Stillingar.
- Choose your antivirus on the list and select Uninstall.
- Veldu Uninstall í tilvitnuninni.
- Endurræstu tölvuna þína.
Í Windows 11
- Hægrismelltu á Home valmyndartáknið og veldu Stillingar. Að öðrum kosti, ýttu á Windows + I.
- Veldu forrit vinstra megin og Forrit og eiginleikar á hægri.
- Find your antivirus on the list, select the three dots next to the program, and choose Uninstall.
- Veldu Uninstall í tilvitnuninni.
- Endurræstu tölvuna þína.
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.
Þú getur lagað það með því að updating your Windows PC to the latest version available. Doing so patches various bugs on your system and possibly adds new features.
Í Windows 10
- Press Windows + I til að opna Stillingar.
- Veldu Uppfærsla og öryggi í Stillingar.
- Veldu Windows Update til vinstri.
- Veldu Athugaðu með uppfærslur á hægri.
- Install the available updates.
- Endurræstu tölvuna þína.
Í Windows 11
- Hægrismelltu á Home valmyndartáknið og veldu Stillingar.
- Veldu Windows Update til vinstri.
- Veldu Athugaðu með uppfærslur á hægri.
- Download and install the available Windows 11 updates.
- Endurræstu tölvuna þína.
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.
Í Windows 10
- Opna Home, Leita að Stjórn Hvetja, og veldu tólið.
- Type the following in CMD og ýttu Sláðu inn:
PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + ‘AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}”
- After executing the command, close the Stjórn Hvetja gluggi.
Í Windows 11
The following procedure will reinstall and re-register all stock Windows apps.
- aðgangur Home, Leita að PowerShellOg veldu Hlaupa sem stjórnandi.
- Veldu Já í User Account Control hvetja.
- Sláðu inn eftirfarandi í þinn PowerShell glugga og ýttu á Sláðu inn:
Get-AppxPackage -allusers | foreach {Add-AppxPackage -skrá “$($_.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.
- opna Home matseðill, leitaðu að Stjórn HvetjaOg veldu Hlaupa sem stjórnandi.
- Veldu Já í User Account Control hvetja.
- Type the following in your CMD glugga og ýttu á Sláðu inn: 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, afritaðu mikilvægar skrár bara í tilfelli.
Í Windows 10
- Sjósetja Stillingar með því að ýta á Windows + I.
- Veldu Uppfærsla og öryggi í Stillingar.
- Veldu Recovery til vinstri.
- Veldu Byrjaðu undir Endurstilla þessa tölvu á hægri.
- Veldu Halda skrám mínum og fylgdu leiðbeiningunum á skjánum.
Í Windows 11
- Opna Windows stillingar með því að ýta á Windows + I.
- Veldu System í vinstri skenkur.
- Veldu Recovery á hægri rúðu.
- Veldu Endurstilla tölvu hliðina á Endurstilla þessa tölvu.
- Veldu Halda skrám mínum 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 ef þú vilt.