Fiks Avast som ikke oppdaterer virusdefinisjoner

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• Outdated Avast will cause the discussed problem.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.
• Utdatert Windows-operativsystem.
• 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.

Metode 1: Start PCen på nytt

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 stengt the PC using the Power options and turn it on again after some time.

1. Navigere til Start-meny.

2. Velg nå strømikon nederst til venstre på skjermen.

3. Flere alternativer som Søvn, Slåog Restart vil vises. Her, klikk på Restart.

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. Høyreklikk på Avast Antivirus-ikon på skrivebordet.

2. Nå klikker du på Eiendommer.

3. I Egenskaper-vinduet bytter du til kompatibilitet fanen.

4. Merk av i boksen her Kjør dette programmet som administrator år.

5. Klikk til slutt på Bruk> OK for å lagre endringene.

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

Les også: Korriger virusdefinisjonen mislyktes i Avast Antivirus

Metode 3: Endre innstillinger for dato og klokkeslett

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. trykk Windows + I-nøkler sammen for å åpne Windows-innstillinger.

2. Velg nå Tid og språk innstilling.

3. Neste, i Dato tid fanen, sørg for de to verdiene Still inn tiden automatisk og Still inn tidssonen automatisk alternativene er slått på.

4. Klikk deretter på Synkroniser nå 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. Trykk på Windows-tasten og type Avast Free Antivirus. Klikk på Åpen fra søkeresultatet.

2. Gå til Meny icon from the top right corner of the Avast user interface.

3. Velg deretter innstillinger fra listen.

4. Bytt nå til Oppdater kategorien og klikk på Se etter oppdatering button. Make sure you get the following messages.

• Virusdefinisjoner er oppdatert
• Avast Free Antivirus is up to date

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

Les også: How to Fix Avast Update Stuck on Windows 10

Metode 5: Lukk bakgrunnsprosesser

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. trykk Windows-tasten, Type Tjenester, og klikk på Kjør som administrator.

2. Rull nå ned og dobbeltklikk på aswbIDSAgent service.

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

OBS: Dersom Tjenestestatus is stoppet, klikk deretter på Start knapp. Hvis den Tjenestestatus is kjører, klikk på Stopp og start den på nytt.

4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Logg på fanen, klikk på Denne brukeren alternativknapp og velg Søk alternativet.

5. I Skriv inn objektnavnet som skal velges field, type the username of your account.

6. Klikk deretter på Sjekk navnene option to authenticate the object name.

7. Nå klikker du på OK to save the changes and if you are prompted, type in your administrator account.

8. Klikk på Bruk> OK to save the changes and check if you were able to open Avast without any issues.

Les også: Slik fjerner du Avast fra Windows 10

Metode 7: Kjør virusskanning

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.

Derfor anbefales du å skanne datamaskinen din som instruert i vår guide. Hvordan kjører jeg en virusskanning på datamaskinen min?

Hvis du vil fjerne skadelig programvare fra datamaskinen din, kan du også sjekke guiden vår Slik fjerner du skadelig programvare fra PC-en din i Windows 10.

Metode 8: Oppdater Windows

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.

Forsikre deg derfor om at du har oppdatert Windows-operativsystemet og om noen oppdateringer venter i aksjon, bruk guiden vår Hvordan laste ned og installere siste oppdatering for Windows 10

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

Metode 9: Endre Windows Defender-brannmurinnstillinger

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.

Alternativ II: Deaktiver brannmur (anbefales ikke)

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.

Alternativ III: Opprett ny regel i brannmur

1. Gå til Søk-menyen og type Windows Defender-brannmur med avansert sikkerhet. Klikk deretter på Kjør som administrator.

2. Klikk nå på i venstre rute Innkommende regler som avbildet.

3. Klikk deretter på i høyre rute Ny regel... som vist.

4. Pass på at du velger program alternativ under Hvilken type regel vil du lage? menyen og klikk på Neste> som vist.

5. Klikk deretter på Bla gjennom ... knapp tilsvarende Denne programstien: som vist.

6. Naviger deretter til C:Program Files (x86)Avast sti og dobbeltklikk på oppsett file. Then, click on Åpen knapp.

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

7. Klikk deretter på Neste> i Veiviser for ny innkommende regel vinduet som vist.

8. Velg nå alternativknappen ved siden av Tillat tilkoblingen og klikk på Neste> som avbildet.

9. Forsikre Domene, privat og offentlig bokser er valgt og klikk på Neste> som vist.

10. Legg til et navn til den nye regelen din og klikk på 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. Launch Avast Antivirus and navigate to Meny> Innstillinger som du gjorde tidligere.

2. Bytt deretter til Feilsøking fanen.

3. Klikk her Reparasjonsapp in the right pane. Wait until the repairing process is complete. This might take a while.

OBS: 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 Legg til eller fjern programmer i Windows-søk box. Launch it from the search result, as shown.

2. i Søk i denne listen bar, type Avast.

3. Klikk deretter på Avast og så, endre.

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

4. Klikk på reparasjon 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.

Les også: Reparer SearchUI.exe Suspended Error på 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.

OBS: 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. Launch Avast og klikk på Meny alternativet øverst til høyre på skjermen.

2. Velg nå innstillinger fra rullegardinlisten.

3. Naviger deretter til general tab and then select click on Feilsøking alternativet.

4. Velg deretter Tilbakestill til standard knapp.

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.

Besøk 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 Windows Systemkonfigurasjon in the Windows search bar. Then, click on Systemkonfigurasjon å starte den.

2. Bytt til boot tab in the window that opens.

3. Velg deretter Sikker oppstart under Boot options and then, click on OK, som vist under.

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 du lastet ned tidligere.

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

7. Nå klikker du på Avinstaller.

8. After Avast has been uninstalled, Restart Windows in Normal Mode.

9. Visit this official Avast link og klikk deretter på LAST NED GRATIS BESKYTTELSE to download the latest Avast Antivirus application, as shown below.

10. Once the file is downloaded, do to Mine nedlastinger, dobbeltklikk på 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.

Les også: Slik avinstallerer du McAfee LiveSafe i 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 Kontakt oss knapp.

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.

Ofte stilte spørsmål (FAQ)

Q1. Why does my Avast not updating virus definitions?

Ans. Hvis det er noen 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. Få 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. For å være mer presis, 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.

Anbefalt:

Vi håper at denne veiledningen var nyttig og at du kunne 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.