Popravak Nemogućnost aktivacije vatrozida Windows Defendera: ^{(Fix Unable to Activate Windows Defender Firewall: )} Jedna od najvažnijih ugrađenih značajki sustava Windows 10 je Windows Defender, koji zaustavlja zlonamjerne viruse i programe da napadaju vaše računalo. Ali što se događa kada Windows Defender iznenada prestane raditi ili reagirati? Da, ovo je problem s kojim se suočavaju mnogi korisnici sustava Windows 10^{(Windows 10)} i ne mogu aktivirati vatrozid Windows Defender^{(Windows Defender Firewall)} . Postoji nekoliko problema koji mogu uzrokovati prestanak rada vatrozida Windows Defendera .^{(Windows Defender Firewall)}

Jedan od najčešćih razloga za ovaj problem je ako ste instalirali antimalware programe treće strane. Razlog^(Reason) je što se Windows Defender automatski isključio ako je na istom računalu prisutan bilo koji drugi antivirusni softver. ^(Antivirus)Drugi razlog može biti neusklađenost datuma i vremenske zone. Ne brinite, istaknut ćemo nekoliko vjerojatnih rješenja koja će vam pomoći da vaš Windows Defender vatrozid^{(Windows Defender Firewall)} aktivirate na vašem sustavu u trenu.

Popravak Ne može se uključiti Windows vatrozid u sustavu Windows 10^{(Can’t turn on Windows Firewall in Windows 10)}

Obavezno  stvorite točku vraćanja^{(create a restore point)} u slučaju da nešto pođe po zlu.

Metoda 1: Onemogućite antivirusni softver treće strane^{(Method 1: Disable 3rd party Antivirus Software)}

1. Desnom tipkom miša kliknite ikonu Antivirusni program^{( Antivirus Program icon)} na traci sustava i odaberite Onemogući.^(Disable.)

2. Zatim odaberite vremenski okvir za koji će Antivirusni program ostati onemogućen.^{( Antivirus will remain disabled.)}

3. Kada završite, ponovno pokušajte pristupiti Windows Defenderu^{(Windows Defender)} i provjerite možete li riješiti problem s vatrozidom Windows Defender nije moguće aktivirati.^{(Fix Unable to Activate Windows Defender Firewall issue.)}

4. Ako je uspješno, u potpunosti deinstalirajte svoj antivirusni softver treće strane .^{(uninstall your third-party Antivirus)}

Metoda 2: Ponovno pokrenite uslugu vatrozida Windows Defender^{(Method 2: Restart Windows Defender Firewall Service)}

Počnimo s ponovnim pokretanjem usluge Windows vatrozida^{(Windows Firewall)} . Moguće je da je nešto poremetilo njegovo funkcioniranje, stoga ponovno pokretanje usluge vatrozida^(Firewall) može riješiti problem. 

1. Pritisnite Windows key + R zatim upišite services.msc i pritisnite Enter.

2. Pronađite vatrozid Windows Defender^{(Windows Defender Firewall)} ispod prozora service.msc.

3. Desnom tipkom miša kliknite vatrozid Windows Defender^{(Windows Defender Firewall)} i odaberite opciju Ponovno pokretanje^{(Restart )} .

4. Opet desnom tipkom ^(r)miša kliknite ^(ight-click)vatrozid Windows Defender^{(Windows Defender Firewall)} i odaberite Svojstva.^{(Properties.)}

5. Provjerite je li tip pokretanja^{(startup type)} postavljen na Automatski. ^{(Automatic. )}

Metoda 3: Podešavanje registra^{(Method 3: Registry Tweak)}

Izmjena Registra^(Register) je opasna, jer svaki pogrešan unos može oštetiti vaše datoteke registra, što zauzvrat može oštetiti vaš operativni sustav. Stoga prije nego što nastavite provjerite jeste li razumjeli rizik s podešavanjem registra. Također, stvorite točku vraćanja i sigurnosno kopirajte svoj registar^{(backup your registry)} prije nastavka.

Morate podesiti neke datoteke registra kako biste ponovno aktivirali vatrozid Windows Defender^{(Windows Defender Firewall)} . 

1. Pritisnite Windows key + R zatim upišite regedit i pritisnite Enter.

2. Idite na dolje spomenuti put.

HKEY_LOCAL_MACHINESYSTEM/CurrentControlSet/services/BFE

3. Desnom tipkom miša kliknite BFE i odaberite opciju Dozvole .^{(Permissions)}

4. Slijedite ovaj vodič^{(this guide)} kako biste preuzeli potpunu kontrolu ili vlasništvo nad gore navedenim ključem registra.

5. Nakon što ste dali dopuštenje, odaberite Svi^(Everyone) pod "Grupa ili korisnička imena" i označite Potpuna kontrola^{(Full Control)} pod Dopuštenjima za sve.

6. Kliknite Primijeni, a zatim OK.

7. Ponovo pokrenite računalo da biste spremili promjene.

Naći ćete da ova metoda funkcionira za većinu korisnika jer je ova metoda preuzeta sa službenog foruma Microsofta^(Microsoft) , tako da možete očekivati ​​da ćete popraviti problem s vatrozidom Windows Defender koji se ne može aktivirati^{(Fix Unable to Activate Windows Defender Firewall issue)} ovom metodom.

Metoda 4: Omogućite Windows Defender putem uređivača registra^{(Method 4: Enable Windows Defender through Registry Editor)}

1. Pritisnite tipku Windows + R zatim upišite regedit i pritisnite Enter.

2. Idite do sljedećeg ključa registra:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend

3. Sada desnom tipkom miša kliknite WinDefend i odaberite Dozvole.^{(Permissions.)}

4. Slijedite ovaj vodič^{(this guide)} kako biste preuzeli potpunu kontrolu ili vlasništvo nad gore navedenim ključem registra.

5. Nakon toga provjerite jeste li odabrali WinDefend , a zatim u desnom prozoru dvaput kliknite na Start DWORD.

6. Promijenite vrijednost na 2 u polju podataka o vrijednosti i kliknite OK.

7. Zatvorite uređivač registra^{(Registry Editor)} i ponovno pokrenite računalo.

8. Ponovno pokušajte omogućiti Windows Defender^{(enable Windows Defender)} i trebali biste moći popraviti problem s vatrozidom Windows Defender koji se ne može aktivirati. ^{( Fix Unable to Activate Windows Defender Firewall issue. )}

Metoda 5: resetirajte postavke vatrozida Windows Defendera^{(Method 5: Reset Windows Defender Firewall Settings)}

1.Upišite upravljačku ploču^{(control panel)} u traku za pretraživanje sustava Windows^{(Windows Search)} , a zatim kliknite na Upravljačka ploča^{(Control Panel)} iz rezultata pretraživanja.

2.Iz prozora upravljačke ploče^{(Control Panel)} odaberite opciju Sustav i sigurnost .^{( System and Security)}

3. Sada kliknite na Windows Defender vatrozid. ^{(Windows Defender Firewall. )}

4. Sljedeće, u lijevom oknu prozora kliknite na vezu Vrati zadane postavke^{( Restore Defaults )} .

5. Sada ponovno kliknite na gumb Vrati zadane postavke.^{(Restore Defaults button.)}

6. Kliknite Da^(Yes) za potvrdu promjena.

Metoda 6: Prisilno resetirajte Windows vatrozid pomoću naredbenog retka^{(Method 6: Forcibly Reset Windows Firewall using Command Prompt)}

1.Upišite cmd ili naredbu u Windows Search , a zatim desnom tipkom miša kliknite naredbeni redak^{(Command Prompt)} i odaberite Pokreni kao administrator.^{(Run as administrator.)}

2. Nakon što se otvori povišeni naredbeni redak, trebate upisati sljedeću naredbu i pritisnuti Enter:

netsh firewall set opmode mode=ENABLE exceptions=enable

3. Zatvorite naredbeni redak i ponovno pokrenite^(Reboot) sustav da biste spremili promjene.

Metoda 7: Instalirajte najnovija ažuriranja sustava Windows^{(Method 7: Install the latest Windows Updates)}

Ponekad se problem ne može aktivirati Windows Defender firewall^{(Activate Windows Defender Firewall)} javlja ako vaš sustav nije ažuriran, tj. postoje ažuriranja na čekanju koja trebate preuzeti i instalirati. Stoga morate provjeriti jesu li najnovija ažuriranja za Windows dostupna za instalaciju ili ne:

1. Pritisnite Windows Key + I da otvorite Postavke^(Settings) , a zatim kliknite na ikonu " Ažuriranje i sigurnost ".^{(Update & Security)}

2. Sada u lijevom oknu prozora svakako odaberite Windows Update.

3.Sljedeće kliknite na gumb “ Provjeri ažuriranja^{(Check for updates)} ” i dopustite Windowsu^(Windows) da preuzme i instalira sva ažuriranja na čekanju.

Metoda 8: deinstalirajte najnovija sigurnosna ažuriranja sustava Windows^{(Method 8: Uninstall latest Windows Security Updates)}

Ako je problem počeo nakon što ste ažurirali Windows najnovijim sigurnosnim zakrpama, tada možete deinstalirati sigurnosno ažuriranje kako biste popravili Nemogućnost aktiviranja vatrozida Windows Defendera.^{( Fix Unable to Activate Windows Defender Firewall.)}

1. Pritisnite tipku Windows + I za otvaranje postavki^(Settings) , a zatim kliknite na Ažuriranje i sigurnost^{(Update & Security)} .

2.U odjeljku Windows Update kliknite Prikaži povijest instaliranih ažuriranja .^{( View installed update history)}

3. Deinstalirajte sva najnovija ažuriranja^{(Uninstall all latest updates)} i ponovno pokrenite uređaj.

Metoda 9: ^{(Method 9: U)}Ažurirajte Windows Defender^{(pdate Windows Defender)}

1. Pritisnite Windows Key + X , a zatim odaberite Command Prompt (Admin).

2.Upišite sljedeću naredbu u cmd i pritisnite Enter nakon svake:

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate

3. Nakon što naredba završi obradu, zatvorite cmd i ponovno pokrenite računalo.

Metoda 10: ^{(Method 10:)} Postavite točan datum i vrijeme^{(Set Correct Date & Time)}

1. Desnom tipkom miša kliknite datum i vrijeme^{( date and time)} na programskoj traci, a zatim odaberite " Adjust date/time ".

2. Ako ste u sustavu Windows 10, obavezno uključite^{(turn ON)} prekidač ispod “ Automatski postavi vrijeme^{(Set Time Automatically)} ” i “ Automatski postavi vremensku zonu^{(Set time zone automatically)} “.

3. Za ostale, kliknite na " Internet Time " i označite " Automatski sinkroniziraj s internetskim poslužiteljem vremena^{(Automatically synchronize with an Internet time server)} ".

4. Odaberite Poslužitelj “ time.windows.com ” zatim kliknite Ažuriraj^(Update) , a zatim U redu. Ne morate dovršiti ažuriranje, samo kliknite U redu.

Preporučeno:^{(Recommended:)}

• 7-Zip vs WinZip vs WinRAR (najbolji alat za kompresiju datoteka)^{(7-Zip vs WinZip vs WinRAR (Best File Compression Tool))}
• Where is NOTEPAD in Windows 10? 6 Ways to open it!
• Popravi bežični usmjerivač se stalno prekida ili ispada^{(Fix Wireless Router Keeps Disconnecting Or Dropping)}
• Uklonite Android viruse bez vraćanja na tvorničke postavke^{(Remove Android Viruses Without a Factory Reset)}

Nadam se da je ovaj članak bio od pomoći i da sada možete jednostavno popraviti nemogućnost aktivacije vatrozida Windows Defendera^{( Fix Unable to Activate Windows Defender Firewall)} , ali ako još uvijek imate pitanja u vezi s ovim vodičem, slobodno ih postavite u odjeljku za komentare.

Fix Unable to Activate Windows Defender Firewall

Fix Unable to Activate Windows Defender Firewall: One of the most important inbuilt features of Windows 10 is the Windows defender, which stops malicious virus & programs to attack your computer. But what happens when the Windows Defender suddenly stop working or responding? Yes, this is the problem faced by many Windows 10 users and they are unable to activate Windows Defender Firewall. There are several issues which can cause Windows Defender Firewall to stop working.

One of the most common reasons for this issue is if you have installed any third-party Antimalware programs. Reason being, Windows Defender automatically shut itself down if any other Antivirus software is present on the same computer. Another reason could be the date and time zone mismatch. Don’t worry we will highlight several probable solutions which will help you to get your Windows Defender Firewall activated on your system in no time.

Fix Can’t turn on Windows Firewall in Windows 10

Make sure to create a restore point just in case something goes wrong.

Method 1: Disable 3rd party Antivirus Software

1.Right-click on the Antivirus Program icon from the system tray and select Disable.

2.Next, select the time frame for which the Antivirus will remain disabled.

3.Once done, again try to access Windows Defender and check if you’re able to Fix Unable to Activate Windows Defender Firewall issue.

4.If successful then make sure to uninstall your third-party Antivirus software completely.

Method 2: Restart Windows Defender Firewall Service

Let’s start with restarting the Windows Firewall service. It may be possible that something disrupted its functioning, hence restarting the Firewall service may solve the problem. 

1.Press Windows key + R then type services.msc and hit Enter.

2.Locate Windows Defender Firewall under the service.msc window.

3.Right-click on Windows Defender Firewall and select the Restart option.

4.Again right-click on Windows Defender Firewall and choose Properties.

5.Make sure that the startup type is set to Automatic. 

Method 3: Registry Tweak

Making changes to Register is dangerous, as any wrong entry can damage your registry files which in turn will damage your operating system. So before continuing make sure you understand the risk with tweaking registry. Also, create a restore point and backup your registry before continuing.

You need to tweak some registry files to activate the Windows Defender Firewall again. 

1.Press Windows key + R then type regedit and hit Enter.

2.Navigate to the below-mentioned path.

HKEY_LOCAL_MACHINESYSTEM/CurrentControlSet/services/BFE

3.Right-click on BFE and choose Permissions option.

4.Follow this guide in order to take full control or ownership of the above registry key.

5.Once you have given permission then select Everyone under “Group or user names” and checkmark Full Control under Permissions for All.

6.Click Apply followed by OK.

7.Reboot your computer to save changes.

You will find this method to work for most of the users as this method is taken from the Microsoft official forum, so you can expect to Fix Unable to Activate Windows Defender Firewall issue with this method.

Method 4: Enable Windows Defender through Registry Editor

1.Press Windows Key + R then type regedit and hit Enter.

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend

3.Now right-click on WinDefend and select Permissions.

4.Follow this guide in order to take full control or ownership of the above registry key.

5.After that make sure you have selected WinDefend then in the right window double-click on Start DWORD.

6.Change the value to 2 in the value data field and click OK.

7.Close Registry Editor and reboot your PC.

8.Again try to enable Windows Defender and you should be able to Fix Unable to Activate Windows Defender Firewall issue. 

Method 5: Reset Windows Defender Firewall Settings

1.Type control panel in Windows Search bar then click on Control Panel from the search result.

2.Select System and Security option from the Control Panel window.

3.Now click on Windows Defender Firewall. 

4.Next, from the left-hand window pane, click on the Restore Defaults link.

5.Now again click on the Restore Defaults button.

6.Click on Yes to confirm the changes.

Method 6: Forcibly Reset Windows Firewall using Command Prompt

1.Type cmd or command in Windows Search then right-click on Command Prompt and select Run as administrator.

2.Once the elevated command prompt opens, you need to type the following command & hit Enter:

netsh firewall set opmode mode=ENABLE exceptions=enable

3.Close the command prompt and Reboot your system to save changes.

Method 7: Install the latest Windows Updates

Sometimes Unable to Activate Windows Defender Firewall issue occurs if your system is not up to date i.e. there are pending updates available which you need to download & install. Therefore, you need to check whether any latest Windows updates are available to install or not:

1.Press Windows Key + I to open Settings then click on “Update & Security” icon.

2.Now from the left-hand window pane make sure to select Windows Update.

3.Next, click on “Check for updates” button and let Windows download & install any pending updates.

Method 8: Uninstall latest Windows Security Updates

If the issue started after you updated the Windows with the latest security patches, then you can uninstall the security update in order to Fix Unable to Activate Windows Defender Firewall.

1.Press Windows key + I to open Settings then click on Update & Security.

2.Click on View installed update history under the Windows Update section.

3.Uninstall all latest updates and reboot the device.

Method 9: Update Windows Defender

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter after each one:

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate

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

Method 10: Set Correct Date & Time

1.Right-click on date and time on the taskbar and then select “Adjust date/time“.

2.If on Windows 10, make sure to turn ON the toggle under “Set Time Automatically” and “Set time zone automatically“.

3.For others, click on “Internet Time” and tick mark on “Automatically synchronize with an Internet time server.”

4.Select Server “time.windows.com” then click Update followed by OK. You don’t need to complete the update, just click OK.

Recommended:

• 7-Zip vs WinZip vs WinRAR (Best File Compression Tool)
• Where is NOTEPAD in Windows 10? 6 Ways to open it!
• Fix Wireless Router Keeps Disconnecting Or Dropping
• Remove Android Viruses Without a Factory Reset

I hope this article was helpful and now you can easily Fix Unable to Activate Windows Defender Firewall, but if you still have any questions regarding this tutorial then feel free to ask them in the comment’s section.

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