Fix non converti Windows Defender

Fix Unable to turn on Windows Defender: Windows Defender is an inbuilt antimalware tool that detects virus and malware on your system. However, there are some instances when users experience that they are unable to turn on Windows Defender in Windows. What could be the reasons behind this problem? There are many users who explored that installing any third party antimalware software cause this problem.

Also, if you go to Settings > Update & Security > Windows Defender then you will see that the Real-time protection in Windows Defender is turned on but it’s greyed out and also everything else is turned off and you can’t do anything about these settings. Sometimes the main issue is that if you have installed a 3rd party Antivirus service then Windows Defender will shut itself off automatically. No matter what reasons are behind this problem, we will walk you through the methods to solve this problem.

Why can’t I turn on my Windows Defender?

One thing we need to understand that Windows Defender provides complete protection to our system. Therefore, not able to turn on this feature could be a serious problem. There are many reasons for you not being able to turn on Windows Defender in Windows 10 such as third-party Antivirus might be interfering, Windows Defender is turned off by group policy, incorrect date/time issue, etc. Anyway, without wasting any time let’s see How to fix the underlying cause of this issue using the below-listed troubleshooting guide.

Fix Unable to turn on Windows Defender in Windows 10

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Method 1 – Uninstall any third-party Antivirus software

One of the most common causes of Windows Defender not working is third-party antivirus software. Windows Defender automatically shuts itself down once it detects any third party anti-malware software installed on your system. Therefore, you need to first start uninstallation any third party antimalware software. Moreover, you need to make sure that uninstallation is done properly all residue files of that software otherwise it will keep creating a problem for Windows Defender to get started. You can use some uninstaller software that will remove all remnants of your previous antivirus. Once the installations finished, you need to restart your system.

Method 2 – Run System File Checker (SFC)

Another method that you can opt for is system file diagnosis and repair. You can use command prompt tool to check whether Windows Defender files are corrupted. Moreover, this tool repairs all corrupted files.

1.Press Windows Key + X deinde eligere To order Promptus (Administrator).

2.Type  SFC / scannow quod ledo penetro.

3.This process takes some time so be patient while running this command.

4.In case sfc command did not resolve the problems, you can use another command. Just type the below-mentioned command and hit Enter:

DISM / Online / Tersus-Image / RestoreHealth

5.It will scan thoroughly and repair corrupted files.

6.After completing these steps, check if you’re able to fix Can’t Turn ON Windows Defender issue or not.

Ratio VII - Praestare Tersus Tabernus

Sometimes there are some third party applications cause this problem, you can easily find those ones by performing the clean boot function.

1.Press Windows + R and type msconfig quod ledo Penetro.

2.On the system configuration Window, you need to navigate to Officia tab where you need to check to Microsoft Omnia celare Services et per click omnes inactivare puga pyga.

ut 3.Navigate Startup section et click Patefacio Negotium Procurator.

4.Here you will locate all startup programs. You need to vox click on each program and disable all of them one by one.

5.After disabling all startup applications you need to come back to the system configuration window to save all the changes. Click OK.

6.You need to reboot your system and check if you’re able to Fix Can’t Turn ON Windows Defender issue vel non.

To zero in on the issue you need to perform clean boot using this guide and find the problematic program.

Method 4 – Restart Security Center Service

Another method to get your Windows Defender problem solved is restarting security center service. You need to activate and ensure that certain services are enabled.

1.Press Windows + R and type services.msc et intra hit

2.Here you need to search for Sed venenatis tum vox click on Security Center and choose Sileo optio.

3.Now simply restart your device and check if the problem is solved or not.

Method 5 – Modify your registry

If you are still finding the problem in turning on the Windows Defender, you can opt for this method. You just need to modify the registry but before doing so make sure to create a backup of your Registry.

1.Press Windows + R and type regedit. Nunc preme Intra.

2.Once you open the registry editor here you need to navigate to:

HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows Defensoris

3.Select Windows Defender then in the right window pane find DisableAntiSpyware DWORD. Now double click this file.

4.Set the value data to 0 and click OK to save the settings.

Nota: If you’re facing permission issues then right-click on Windows Defender et eligere Concessiones. Follow this guide in order to take full control or ownership of the above registry key and again set the value to 0.

5.Most probably, after doing this step, your Windows Defender will start working on your system properly without any problem.

III modum - Set Windows Defender Service to Automatic

Nota: Si Fenestra Defensoris officium est grayed ex in Services Manager deinde hoc post.

1.Press Windows Key + R tunc typus services.msc quod ledo Penetro.

2.Find haec officia in fenestra Services:

Windows Defender Antivirus Network Inspection Service
Windows Defender Antivirus Service
Windows Defensoris Securitatis Center Service

3.Double-click on each of them and make sure their Satus type is set to Automatic et click Initium si officia non iam currentem.

4.Click Applicare sequitur OK.

5.Reboot vestram PC servare mutationes et vide si vales Fix Can’t Turn ON Windows Defender issue.

III modum - Set Correct Date & Time

In 1.Click date and time et ad negotium eligere "Date and time occasus. "

2.If in Fenestra X, faciunt "Set tempus Automatarie"Ut"on. "

3.Pro aliis, deprime "Internet Time" et notam ricinum in "Automatice synchronize cum Internet tempore server. "

4.Select Servo "time.windows.com"and click update and "OK". Non opus est renovatio perficere. Iustus click OK.

Again check if you are able to Fix Windows Defender Does Not Start issue or not, if not then continue with the next method.

Method 8 – Run CCleaner and Malwarebytes

1.Download et install CCleaner & Malwarebytes.

2.Currere Malwarebytes et rationi tuae noxiae imagini scandat.

3.Si malware inventa fuerit, eos sponte removebit.

4.Now run CCleaner et in sectione " Cleaner" sub tabe Fenestrarum suggerimus annotando sequentia excerpta purganda:

5. Postquam certa puncta propria fecisti, deprimuntur, simpliciter deprime Currite Lautus; et currat CCleaner.

6. Ad emundandum systema tuum adhuc subcriptio tab lego et ut sequentia sedata sunt:

7.Select Scan pro Issue et sine CCleaner ut scan, tunc deprime Figere Quaestiones Selectae.

8.When CCleaner quaerit "Visne tergum mutationes subcriptio?" Ita eligere.

9.Once tergum tuum complevit, selige Fige Omnes quaestiones selectae.

10.Restart vestram PC servare mutationes et vide si vales Fix Can’t Turn ON Windows Defender issue.

Method 9 – Update Windows Defender

1.Press Windows Key + X deinde eligere To order Promptus (Fusce).

2.Type hoc mandatum in cmd et hit Intra post unumquemvis;

“%PROGRAMFILES%Windows DefenderMPCMDRUN.exe” -RemoveDefinitions -All

“%PROGRAMFILES%Windows DefenderMPCMDRUN.exe” -SignatureUpdate

3.Once the command finish processing, close cmd and reboot your PC.

Method 10 – Update Windows 10

1.Press Windows Key + I aperire Occasus tunc deprime "Update & Security"Icon.

2.Now in sinistra manu fenestra pane fac eligere Fenestra Update.

3.Next deprime "Reprehendo pro updates"Puga pyga et Fenestra download & aliqua lite updates niteremur.

Recommended:

Hopefully, above mentioned all methods will help you to Fix Unable to turn on Windows Defender in Windows 10 Issue. However, you need to understand that these methods should be followed systematically. In case you have more questions related to this problem leave your comments below.