Prilikom ažuriranja Microsoft Defendera^{(Microsoft Defender)} (bivši Windows Defender ), možete naići na kod pogreške 0x80004004 . To se događa kada Windows Defender ne uspije preuzeti ažurirane definicije s web- mjesta Microsofta^(Microsoft) . U ovom ćemo postu identificirati potencijalni uzrok i ponuditi rješenja koja možete pokušati uspješno riješiti ovaj problem.

Pogreška se može pojaviti na zaslonu vašeg računala s porukom koja navodi:

Error 0x80004004: This app couldnt check for virus and spyware definition updates. The definition updates couldn’t be installed

Do ove pogreške može doći zbog drugog antivirusnog programa instaliranog na istom sustavu. Može stvoriti sukobe sprječavanjem ažuriranja programa Windows Defender . Drugi razlog za ovu pogrešku mogao bi biti nedostatak nekih sistemskih datoteka. Loša internetska veza također može dovesti do pojave ove pogreške.

Popravi pogrešku Microsoft Defendera^{(Fix Microsoft Defender)} 0x80004004

Ako ste suočeni s ovim problemom, možete isprobati naša preporučena rješenja u nastavku bez posebnog redoslijeda i provjeriti pomaže li to riješiti problem.

1. Postavite uslugu Windows Defender^{(Set Windows Defender Service)} na Automatski^(Automatic)
2. Privremeno onemogućite bilo koji antivirusni program treće strane
3. Ručno ažurirajte Windows Defender putem naredbenog retka^{(Command Prompt)}
4. Izravno preuzmite paket definicija Windows Defendera^{(Windows Defender)}

Pogledajmo opis procesa koji se odnosi na svako od navedenih rješenja.

1] Postavite uslugu Windows Defender^{(Set Windows Defender Service)} na Automatski^(Automatic)

Učinite sljedeće:

• Pritisnite tipku Windows key + R da biste pozvali dijaloški okvir Pokreni.
• U dijaloškom okviru Pokreni upišite services.msci pritisnite Enter da biste otvorili Usluge^{(open Services)} .
• U prozoru Usluge^(Services) pomaknite se i pronađite Antivirusnu uslugu Microsoft Defender^{(Microsoft Defender Antivirus Service)} .
• Dvaput kliknite^{(Double-click)} na unos da biste uredili njegova svojstva.
• Provjerite^(Make) je li opcija u  izborniku Vrsta pokretanja^{(Startup type)}  u prozoru svojstava usluge postavljena na  Automatski^(Automatic) .
• Potvrdite^(Confirm) sve dijaloške okvire koji se mogu pojaviti prilikom promjene vrste pokretanja.
• Kliknite Primijeni^(Apply) > U redu^(OK) .

Nakon toga ponovno pokrenite ažuriranje i provjerite je li uspješno dovršeno. U suprotnom^(Otherwise) , pokušajte sa sljedećim rješenjem.

2] Privremeno^{(Temporarily)} onemogućite bilo koji antivirusni program treće strane

Sigurnosni programi trećih strana instalirani na vašem računalu sa sustavom Windows 10 također mogu stvoriti sukobe koji uzrokuju pogrešku 0x80004004^{(error 0x80004004)} tijekom procesa ažuriranja definicije virusa u Windows Defenderu^{(Windows Defender)} . Dakle, onemogućavanje antivirusnog programa prije ažuriranja Windows Defendera^{(Windows Defender)} može se pokazati kao rješenje.

Možete privremeno onemogućiti bilo koji antivirus treće strane na svom računalu na stranici postavki^(Settings) programa . Nakon dovršetka postupka ažuriranja, možete ga ponovno omogućiti za potpunu zaštitu.

3 ] Ručno^{(] Manually)} ažurirajte Windows Defender putem naredbenog retka^{(Command Prompt)}

Učinite sljedeće:

• Pritisnite tipku Windows key + R da biste pozvali dijaloški okvir Pokreni.
• U dijaloškom okviru Pokreni upišite cmdi pritisnite Enter da biste otvorili naredbeni redak .
• U prozoru naredbenog retka upišite ili kopirajte i zalijepite naredbu u nastavku i pritisnite Enter nakon svakog retka.

cd /d "\Program Files\Windows Defender"

mpcmdrun.exe -signatureupdate

Po izvršenju naredbe. još uvijek imate grešaka, možete isprobati sljedeće rješenje.

Definicije Windows Defendera^{(update Windows Defender definitions using PowerShell)} možete ažurirati i pomoću PowerShell-a .

4] Izravno preuzmite definicijski paket za Windows Defender

Također možete pokušati ručno preuzeti najnovije definicije Defendera i ažurirati ih^{(manually download the latest Defender definitions and update it)} .

Ovo je 'tiha instalacija' – ništa se neće dogoditi kada dvaput kliknete na preuzetu datoteku, ali će se instalirati u pozadini.

Nadam se da ovo pomaže!

Povezani post^{(Related post)} : Windows Defender se ne ažurira automatski^{(Windows Defender not updating automatically)} .

Fix Microsoft Defender error 0x80004004 on Windows 11/10

When updating Microsoft Defender (formerly Windows Defender), you may encounter the error code 0x80004004. It happens when Windows Defender fails to download updated definitions from the Microsoft website. In this post, we will identify the potential cause and also provide the solutions you can try to successfully resolve this issue.

The error can appear on your computer screen with a message stating:

Error 0x80004004: This app couldnt check for virus and spyware definition updates. The definition updates couldn’t be installed

This error can occur due to another antivirus program installed on the same system. It can create conflicts by preventing the Windows Defender program from updating. Another reason behind this error could be some system files missing. A bad internet connection can also result in this error to appear.

Fix Microsoft Defender error 0x80004004

If you’re faced with this issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue.

1. Set Windows Defender Service to Automatic
2. Temporarily disable any third-party antivirus program
3. Manually update Windows Defender via Command Prompt
4. Directly download Windows Defender definition package

Let’s take a look at the description of the process involved concerning each of the listed solutions.

1] Set Windows Defender Service to Automatic

Do the following:

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box, type services.msc and hit Enter to open Services.
• In the Services window, scroll and locate the Microsoft Defender Antivirus Service.
• Double-click on the entry to edit its Properties.
• Make sure that the option under the Startup type menu in the service’s properties window is set to Automatic.
• Confirm any dialog boxes which may appear when changing the startup type.
• Click Apply > OK.

After that, restart the update again and see if it completes successfully. Otherwise, try the next solution.

2] Temporarily disable any third-party antivirus program

Third-party security programs installed on your Windows 10 PC can also create conflicts causing the error 0x80004004 during virus definition update process of Windows Defender. So, disabling the antivirus before updating Windows Defender can prove to be a solution.

You can temporarily disable any third-party antivirus on your PC from the programs Settings page. After the update process is done, you can re-enable it for full protection.

3] Manually update Windows Defender via Command Prompt

Do the following:

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box, type cmd and hit Enter to open Command Prompt.
• In the command prompt window, type or copy and paste the command below and hit Enter after each line.

cd /d "\Program Files\Windows Defender"

mpcmdrun.exe -signatureupdate

On executing the command. you still have errors, you can try the next solution.

You can also update Windows Defender definitions using PowerShell.

4] Directly download Windows Defender definition package

You may also try to manually download the latest Defender definitions and update it.

This is a ‘silent install’ – nothing will appear to happen when you double-click the downloaded file, but it will be installed in the background.

Hope this helps!

Related post: Windows Defender not updating automatically.

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