Parandus: Windows Defenderit ei saa sisse lülitada
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
Looge kindlasti taastepunkt juhuks, kui midagi läheb valesti.
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. Vajutage Windows Key + X ja seejärel valige Käsuviip (administraator).
2.Tüüp sfc / scannow ja vajuta enter.
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 / Cleanup-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.
3. meetod – tehke puhas alglaadimine
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 ja vajuta Enter.
2.On the system configuration Window, you need to navigate to Teenuste vahekaart where you need to check to Peida kõik Microsofti teenused ja kliki Keela kõik nuppu.
3.Vaige edasi Startup section ja kliki Avage Task Manager.
4.Here you will locate all startup programs. You need to paremklõpsake on each program and Keela 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. Klõpsake OK.
6.You need to reboot your system and check if you’re able to Fix Can’t Turn ON Windows Defender issue või mitte.
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 ja vajuta Enter
2.Here you need to search for Turvakeskus ja siis paremklõpsake on Security Center and choose Restart valik.
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. Nüüd vajutage sisestusklahvi.
2.Once you open the registry editor here you need to navigate to:
HKEY_LOCAL_MACHINESOFTWAREPoliitikadMicrosoftWindows Defender
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.
Märge: If you’re facing permission issues then right-click on Windows Defender ja valige Load. 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.
6. meetod - Set Windows Defender Service to Automatic
Märge: Kui Windows Defenderi teenus on teenusehalduris hallina, siis jälgi seda postitust.
1. Vajutage Windows Key + R ja seejärel tippige services.msc ja vajuta Enter.
2.Leidke aknast Teenused järgmised teenused:
Windows Defenderi viirusetõrje võrgu kontrolliteenus
Windows Defenderi viirusetõrjeteenus
Windows Defenderi turvakeskuse teenus
3. Topeltklõpsake igal neist ja veenduge, et nende käivitustüüp on seatud Automaatne ja klõpsake nuppu Start, kui teenused veel ei tööta.
4. Klõpsake nuppu Rakenda ja seejärel OK.
5. Taaskäivitage arvuti, et muudatused salvestada ja kontrollida, kas saate seda teha Fix Can’t Turn ON Windows Defender issue.
7. meetod - Set Correct Date & Time
1. Klõpsake nuppu päev ja aeg tegumiribal ja seejärel valige "Kuupäeva ja kellaaja seaded. "
2. Kui kasutate operatsioonisüsteemi Windows 10, tehke "Seadista aeg automaatselt"Et"on. "
3. Teiste jaoks klõpsake "Internet Time" ja märkige linnuke "Sünkroonige automaatselt Interneti-ajaserveriga. "
4. Valige Servertime.windows.com” ning klõpsake nuppu Värskenda ja „OK”. Te ei pea värskendamist lõpule viima. Lihtsalt klõpsake nuppu 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. Laadige alla ja installige CCleaner & Pahavarabaidid.
2.Käivitage Malwarebytes ja laske sellel skannida teie süsteemi kahjulike failide suhtes.
3. Kui leitakse pahavara, eemaldab see need automaatselt.
4. Nüüd jookse CCleaner ja jaotises "Puhastaja" Windowsi vahekaardi all soovitame kontrollida järgmisi puhastatavaid valikuid:
5. Kui olete veendunud, et õiged punktid on kontrollitud, klõpsake lihtsalt Run Cleaner, ja lase CCleaneril oma rada kulgeda.
6. Süsteemi täiendavaks puhastamiseks valige vahekaart Registry ja veenduge, et on märgitud järgmised asjad:
7. Valige Scan for Issue ja lubage CCleaneril skannida, seejärel klõpsake Parandage valitud probleemid.
8. Kui CCleaner küsibKas soovite registri muudatused varundada?” valige Jah.
9. Kui varundamine on lõpetatud, valige Fix All Selected Issues.
10. Taaskäivitage arvuti, et muudatused salvestada ja kontrollida, kas saate seda teha Fix Can’t Turn ON Windows Defender issue.
Method 9 – Update Windows Defender
1. Vajutage Windows Key + X ja seejärel valige Käsuviip (admin).
2. Tippige käsusse cmd järgmine käsk ja vajutage iga käsu järel sisestusklahvi:
“%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. Vajutage Windowsi klahvi + I, et avada seaded, seejärel klõpsake "Värskendamine ja turvalisus"Ikoon.
2. Nüüd tehke vasakpoolsel aknapaanil kindlasti valik Windows Update.
3. Järgmisena klõpsake "Kontrolli uuendusi” nuppu ja laske Windowsil kõik ootel olevad värskendused alla laadida ja installida.
Soovitan:
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.
