Do you get a “Bydd angen ap newydd arnoch i agor hwn 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.
Ailgychwyn Eich Windows PC
An easy way to fix most issues in Windows is to ailgychwyn eich cyfrifiadur. 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.
Ailgychwyn Windows 10
- Agorwch y dechrau fwydlen.
- dewiswch y Power icon.
- Dewiswch Ail-ddechrau yn y fwydlen.
Ailgychwyn Windows 11
- Mynediad i'r dechrau fwydlen.
- dewiswch y Power icon at the bottom of the menu.
- Dewiswch Ail-ddechrau yn y fwydlen.
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.
Ar Windows 10
- Agorwch y dechrau bwydlen, chwilio am Diogelwch Windows, right-click the app, and choose Lleoliadau App.
- dewiswch Ailosod ar y dudalen ganlynol.
- Dewiswch Ailosod yn yr anogwr.
- Ailgychwyn eich Windows PC.
Ar Windows 11
- Lansio Gosodiadau trwy wasgu ffenestri + I.
- dewiswch apps yn y bar ochr chwith.
- Dewiswch Apiau a nodweddion ar y dde.
- Lleoli Diogelwch Windows, dewiswch y tri dot wrth ymyl yr app, a dewiswch Dewisiadau mwy cymhleth.
- dewiswch y Ailosod botwm.
- Dewiswch Ailosod yn yr anogwr.
- Ailgychwyn eich cyfrifiadur.
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 dadosod y rhaglen to avoid seeing the same error in Windows Security. Here’s how to uninstall an app on your Windows PC.
Ar Windows 10
- Lansio Gosodiadau trwy wasgu ffenestri + I.
- dewiswch apps mewn Gosodiadau.
- Choose your antivirus on the list and select Uninstall.
- dewiswch Uninstall yn yr anogwr.
- Ailgychwyn eich cyfrifiadur.
Ar Windows 11
- De-glicio ar y dechrau eicon dewislen a dewis Gosodiadau. Fel arall, pwyswch ffenestri + I.
- dewiswch apps ar y chwith a Apiau a nodweddion ar y dde.
- Find your antivirus on the list, select the three dots next to the program, and choose Uninstall.
- dewiswch Uninstall yn yr anogwr.
- Ailgychwyn eich cyfrifiadur.
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.
Gallwch drwsio hynny erbyn updating your Windows PC to the latest version available. Doing so patches various bugs on your system and possibly adds new features.
Ar Windows 10
- Pwyswch ffenestri + I i agor Gosodiadau.
- dewiswch Diweddariad a Diogelwch mewn Gosodiadau.
- Dewiswch Ffenestri Update ar y chwith.
- dewiswch Gwiriwch am ddiweddariadau ar y dde.
- Gosodwch y diweddariadau sydd ar gael.
- Ailgychwyn eich cyfrifiadur.
Ar Windows 11
- De-glicio ar y dechrau eicon dewislen a dewis Gosodiadau.
- dewiswch Ffenestri Update ar y chwith.
- Dewiswch Gwiriwch am ddiweddariadau ar y dde.
- Download and install the available Windows 11 updates.
- Ailgychwyn eich cyfrifiadur.
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.
Ar Windows 10
- agored dechrau, Chwilio am Gorchymyn 'n Barod, a dewiswch yr offeryn.
- Type the following in CMD ac yn y wasg Rhowch:
PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + ‘AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}”
- After executing the command, close the Gorchymyn 'n Barod ffenestr.
Ar Windows 11
The following procedure will reinstall and re-register all stock Windows apps.
- Mynediad dechrau, Chwilio am PowerShell, a dethol Rhedeg fel Gweinyddwr.
- dewiswch Ydy yn y Ddefnyddiwr Adla yn brydlon.
- Rhowch y canlynol yn eich PowerShell ffenestr a'r wasg Rhowch:
Get-AppxPackage -allusers | foreach {Add-AppxPackage -register “$($_.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.
- Agorwch y dechrau bwydlen, chwilio am Gorchymyn 'n Barod, a dethol Rhedeg fel gweinyddwr.
- dewiswch Ydy yn y Ddefnyddiwr Adla yn brydlon.
- Type the following in your CMD ffenestr a'r wasg Rhowch: 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, gwneud copi wrth gefn o'ch ffeiliau pwysig rhag ofn.
Ar Windows 10
- Lansio Gosodiadau trwy wasgu ffenestri + I.
- dewiswch Diweddariad a Diogelwch mewn Gosodiadau.
- dewiswch Adfer ar y chwith.
- Dewiswch Dechrau arni o dan Ailosod y cyfrifiadur hwn ar y dde.
- dewiswch Cadwch fy ffeiliau a dilynwch y cyfarwyddiadau ar y sgrin.
Ar Windows 11
- agored Gosodiadau Windows trwy wasgu ffenestri + I.
- dewiswch system yn y bar ochr chwith.
- Dewiswch Adfer ar y cwarel dde.
- dewiswch Ailosod PC nesaf i Ailosod y cyfrifiadur hwn.
- Dewiswch Cadwch fy ffeiliau 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 os ydych yn dymuno.