Repareren dat Avast de virusdefinities niet bijwerkt

Avast is one of the most commonly used antivirus software available on the internet. It is known for the best protection service for all devices connected to the internet. Since it is free-to-use software, many people rely on this software for antivirus protection. Yet, like all apps and games, Avast is not without errors and problems. Many users report Avast not updating virus definitions issue which causes a major security breach on your PC. If you are also facing the same problem on your device, the troubleshooting methods discussed in this guide will help you fix the issue.

How to Fix Avast Not Updating Virus Definitions

Here are a few common reasons that cause Avast antivirus not updating virus definitions issues on your computer. Analyze them deeper so you will get an idea of how to resolve the same.

• Any temporary glitches in your PC that are preventing Avast from updating the software and its components.
• You are running Avast with administrative rights. This prevents a few features from being accessed on your computer.
• Outdated Avast will cause the discussed problem.
• Few essential services like the aswbIDSAgent are disabled on your computer.
• The Avast installed on your PC is corrupt or misconfigured.
• Your PC is infected with malware or virus.
• Some background tasks are interfering with your program.
• Verouderd Windows-besturingssysteem.
• Firewall is preventing Avast to open.
• Corrupt or incompatible installation files of Avast.
• Inappropriate date and time settings on your computer.

Now, move ahead to the next section to find the effective troubleshooting methods to fix Avast virus definitions won’t update issue.

Here are some effective troubleshooting methods that will help you fix Avast not updating virus definitions issue on your Windows 10 computer. Read them carefully before you implement them.

Methode 1: Start de pc opnieuw op

Before trying all the listed advanced troubleshooting methods, you are advised to reboot your computer. When you restart your computer, the technical glitches that cause any challenging layouts will be resolved thereby helping you to fix Avast not updating virus definitions issue. You can also stilgelegd the PC using the Power options and turn it on again after some time.

1. Navigeren naar startmenu.

2. Selecteer nu macht pictogram in de linkerbenedenhoek van het scherm.

3. Verschillende opties zoals Slaap, stilgelegd en Herstart zal worden vertoond. Hier, klik op Herstart.

Once you have restarted your computer, check if you can open Avast without any issues.

Method 2: Run Avast with Admin Privilege

You need administrative privileges to access a few features and services in Avast. If you do not have the required administrative rights, you might face Avast antivirus not updating virus definitions issue. However, few users have suggested that the problem can be resolved when running the program as an administrator.

1. Klik met de rechtermuisknop avast Antiviruspictogram op de desktop.

2. Klik nu op Properties.

3. Ga in het venster Eigenschappen naar de Compatibiliteit Tab.

4. Vink hier het vakje aan Dit programma als Administrator.

5. Klik ten slotte op Toepassen> OK om de wijzigingen op te slaan.

Now, relaunch the program to see if Avast functions now without any problems.

Lees ook: Fix Virus Definition Failed in Avast Antivirus

Methode 3: Datum- en tijdinstellingen wijzigen

Incorrect date and time settings in your computer may contribute to Avast not updating virus definitions issue on Windows PC. To sync the date, region, and time settings in your Windows 10 computer follow the below-listed instructions.

1. druk de Windows + I-toetsen samen te openen Windows-instellingen.

2. Selecteer nu Tijd en taal instellen.

3. Next, in Datum Tijd tabblad, zorg ervoor dat de twee waarden aanwezig zijn Stel de tijd automatisch in en Stel de tijdzone automatisch in opties zijn ingeschakeld.

4. Klik vervolgens op Synchroniseer nu as highlighted above. Check if the Virus Definitions Update Failed issue is resolved or not.

Method 4: Update Avast Antivirus

If there are any bugs within Avast, you can fix them by updating the app. As mentioned earlier, Avast gets regular updates to fix all the errors and bugs. When these bugs and errors come to the developer’s eye, they release updates to fix them completely. Follow the below-mentioned steps to update Avast app to fix Avast antivirus not updating virus definitions issue.

1. Druk op de Windows-toets en het type Avast Free Antivirus. Klik op Openen uit het zoekresultaat.

2. Ga naar Menu icon from the top right corner of the Avast user interface.

3. Selecteer vervolgens Instellingen van de lijst.

4. Ga nu naar bijwerken tab en klik op Controleer op updates button. Make sure you get the following messages.

• Virusdefinities zijn up-to-date
• Avast Free Antivirus is up to date

5. Once you have updated it, restart avast and check if the issue has been solved.

Lees ook: Hoe u de Avast-update kunt repareren die vastzit op Windows 10

Methode 5: Sluit achtergrondprocessen

If you are still worried about Avast not updating virus definitions issue, it can be resolved by closing all the background tasks running on your PC. Several background tasks on your PC will interfere with Avast, thereby preventing the app from being opened. Hence, close all the background tasks on your PC by following our guide How to End Task in Windows 10, and proceed as instructed.

Once you have closed all the background processes, check if you were able to work with Avast on your computer without any issues.

Method 6: Enable aswbIDSAgent Service Settings

Several users have reported that the bug causing Avast virus definitions won’t update issue can be fixed by making some changes in the aswbIDSAgent Service. This method is very easy and you can implement the same by following the below-mentioned steps.

1. druk de Windows-toetstype Dienstenen klik op Als administrator uitvoeren.

2. Blader nu naar beneden en dubbelklik op aswbIDSAgent service te halen.

3. Now, in the new pop-up window, change Opstarttype to Automatic, as depicted.

Opmerking: Indien de Status van service is Gestopt, klik dan op de Start knop. Als het Status van service is Hardlopen, Klik op stop en start het opnieuw.

4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Inloggen tab, klik op de Dit account keuzerondje en selecteer de Blader optie.

5. In de Voer de naam van het object te selecteren field, type the username of your account.

6. Klik vervolgens op Controleer namen option to authenticate the object name.

7. Klik nu op OK to save the changes and if you are prompted, type in your administrator account.

8. Klik op Toepassen> OK to save the changes and check if you were able to open Avast without any issues.

Lees ook: Hoe Avast uit Windows 10 te verwijderen

Methode 7: Voer een virusscan uit

There are few circumstances where a virus or malware in your computer is taking over the control of Avast. Hence, you must check whether the third-party harmful viruses are interfering with Avast, causing Avast not updating virus definitions issue.

Several Microsoft experts suggest that scanning a PC will help you maintain your computer threat free. If there are any viruses or malware intrusions on your PC, you cannot use external and internal hardware devices.

Daarom wordt u geadviseerd uw computer te scannen zoals aangegeven in onze handleiding Hoe voer ik een virusscan uit op mijn computer?

Als u malware van uw computer wilt verwijderen, raadpleegt u ook onze handleiding Malware van uw pc verwijderen in Windows 10.

Methode 8: Windows bijwerken

Also, if there are any bugs in your PC, they can only be fixed after a Windows update. Microsoft releases regular updates to fix all these bugs thereby troubleshooting Avast not updating virus definitions issues.

Zorg er daarom voor dat u uw Windows-besturingssysteem heeft bijgewerkt en of er updates in behandeling zijn. Gebruik dan onze handleiding Hoe u de nieuwste update van Windows 10 downloadt en installeert

After updating your Windows Operating System, check whether you can access your Avast without any issues.

Methode 9: Wijzig de Windows Defender Firewall-instellingen

Still, if you cannot fix Avast not updating virus definitions issue, this may be due to an over-reactive or over-protective firewall suite in your Windows 10 computer. This prevents the connection link between the app launcher and the server. So, to fix this problem, you can whitelist Avast in your Firewall settings or disable the problem temporarily.

Option I: Whitelist Avast Antivirus

To allow Avast in your Windows Defender Firewall, follow our guide Allow or Block Apps through the Windows Firewall and implement the steps as instructed.

Optie II: Firewall uitschakelen (niet aanbevolen)

You can also disable Windows Defender Firewall, and to do so, check our guide on How to Disable Windows 10 Firewall and follow as instructed.

Optie III: Nieuwe regel maken in Firewall

1. Ga naar Zoek menu en het type Windows Defender Firewall met geavanceerde beveiliging. Klik vervolgens op Als administrator uitvoeren.

2. Klik nu in het linkerdeelvenster op Inkomende regels zoals afgebeeld.

3. Klik vervolgens in het rechterdeelvenster op Nieuwe regel… zoals getoond.

4. Zorg er nu voor dat u de Programma optie onder Welk type regel wilt u maken? menu en klik op Volgende> zoals getoond.

5. Klik vervolgens op de Bladeren ... knop die overeenkomt met Dit programmapad: zoals getoond.

6. Navigeer vervolgens naar C:Program Files (x86)Avast pad en dubbelklik op setup file. Then, click on Openen knop.

Opmerking: This location may vary according to the directory from which you have installed Avast. Browser the location accordingly.

7. Klik vervolgens op Volgende> in de Nieuwe inkomende regelwizard venster zoals afgebeeld.

8. Selecteer nu het keuzerondje naast Sta de verbinding toe en klik op Volgende> zoals afgebeeld.

9. Zorg ervoor dat Domein, privé en openbaar vakjes zijn geselecteerd en klik op Volgende> zoals getoond.

10. Voeg ten slotte een naam toe aan uw nieuwe regel en klik op Finish.

All done! Check if you can open Avast without any issues or not.

Method 10: Repair Avast Antivirus

If the above-listed solutions do not help you fix Avast antivirus not updating virus definitions issue, you can try repairing the app to fix all the harmful bugs within the app. This also fixes the corrupt installation files and even if this method fails to work, you can reinstall the app as instructed in the next method.

Option 1: Through Avast Antivirus Settings

1. Lancering avast Antivirus and navigate to Menu > Instellingen zoals je eerder deed.

2. Ga vervolgens naar Probleem oplossen Tab.

3. Klik hier op App repareren in the right pane. Wait until the repairing process is complete. This might take a while.

Opmerking: Avoid closing any windows or tabs during the repair process.

4. Once the repair is complete, reboot your PC. Check if the Avast virus definitions won’t update issue is fixed or not.

Option 2: Through Add or Remove Programs

1. Type Voeg toe of verwijder programma's in de Windows zoeken box. Launch it from the search result, as shown.

2. in Doorzoek deze lijst bar, typ avast.

3. Klik vervolgens op avast en dan, wijzigen.

Opmerking: The below image is depicted for reference. Follow the same for Avast.

4. Klik op Reparatie in the Avast pop-up window and follow the on-screen instructions.

Wait for it to be repaired. Restart your Windows 10 PC and check if the issue is resolved or not.

Lees ook: Fix SearchUI.exe opgeschorte fout op Windows 10

Method 11: Reset Avast Settings

You can reset Avast settings on your Windows 10 PC to fix Avast not updating virus definitions issue. This will resolve all the incorrect configuration settings without the app, helping you to resolve the problem at ease.

Opmerking: Resetting Avast will reset all the options and features of the app to their default values. You have to re-configure these options again once you open the app after the reset.

1. Lancering avast en klik op Menu optie in de rechterbovenhoek van het scherm.

2. Selecteer nu Instellingen uit de vervolgkeuzelijst.

3. Navigeer vervolgens naar Algemeen tab and then select click on Probleem oplossen optie.

4. Selecteer vervolgens Reset naar standaard knop.

5. If you are prompted, click on Ja and proceed with the on-screen instructions. Check if you have fixed Avast antivirus not updating virus definitions issue or not.

Method 12: Reinstall Avast in Safe Mode

If repairing Avast, still does not solve Avast virus definitions won’t update issue, you may have to reinstall the app in safe mode to fix the same. When you clean install Avast, the faulty application along with cache files, and corrupt registries will be fixed.

Bezoek Avast official uninstaller site, and then, click on avastclear.exe to get the Avast Uninstall Utility, as shown below.

Now you have to boot Windows in Safe Mode by following steps:

1. Type Dakramen en raamkozijnen systeem configuratie in the Windows search bar. Then, click on Systeemconfiguratie om het te lanceren.

2. Schakel over naar de laars tab in the window that opens.

3. Selecteer vervolgens Safe boot under Boot options and then, click on OKZoals hieronder aangegeven.

4. Restart the computer and the computer will boot into Safe Mode.

5. Once Windows 10 is open in Safe Mode, click on downloaded Avast Uninstall Utility je eerder hebt gedownload.

6. In the uninstall utility window, ensure that the correct folder containing the corrupt Avast program is selected.

7. Klik nu op Installatie ongedaan maken.

8. After Avast has been uninstalled, Herstart ramen in Normale modus.

9. Visit this official Avast link en klik vervolgens op DOWNLOAD GRATIS BESCHERMING to download the latest Avast Antivirus application, as shown below.

10. Once the file is downloaded, do to Mijn downloads, dubbelklik op de Setup file, and follow the on-screen instructions to install Avast.

Now when you launch the Avast program, you will not face Virus Definitions won’t update issue again.

Lees ook: Hoe McAfee LiveSafe te verwijderen in Windows 10

Method 13: Contact Avast Support

If there are any major issues with Avast even after reinstalling the software, you can seek help from the Avast support site. This is a worth trying option to get rid of Avast not updating virus definitions issue. Follow the below-mentioned steps to contact the Avast support site.

1. Launch your favorite browser and visit the official Avast help center.

2. Now, scroll down the screen and click on Contact knop.

3. Then, report your issue by following the on-screen instructions, and now, you could connect to an Avast professional to fix Avast antivirus not updating virus definitions problem.

Veel Gestelde Vragen (FAQ's)

Q1. Why does my Avast not updating virus definitions?

Ans. Als er enige zijn incompatibility issues in your PC, your Avast will not update new settings. If your Avast does not update this feature for you, make sure you check your firewall settings or repair the software if necessary.

Q2. Does Avast cause problems with Windows 10?

Ans. In some circumstances, Avast might interfere with the pre-installed apps of your PC and causes Windows 10 to crash, freeze, consume more resources, display Blue Screen Error (BSOD), and a lot more. This might occur due to some incompatible programs you run manually or a few automatic services running in the background when you boot your Windows.

Q3. Why is my Avast browser not opening?

Ans. If the Avast browser does not open on your Windows 10 PC, it may be because it is outdated or not updated properly. Weinig corrupt files within the app also cause the problem. Browser cache, cookies, and corrupt data also prevent Avast from being opened in the browser.

Q4. Is Windows Defender better than Avast?

Ans. Om preciezer te zijn, Avast is better than Windows Defender Firewall. Few reports say that the detection rate for Windows Defender Firewall was 99.5 % while Avast detected 100% of malware and viruses. Avast also comes with advanced features that are not in Windows Defender Firewall.

Aanbevolen:

We hopen dat deze gids nuttig was en dat u dat ook kon fix Avast not updating virus definitions issue in your system. Let us know which method worked for you the best. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.