Fix Avast ùn aghjurnà micca e definizione di virus
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- Outdated Avast will cause the discussed problem.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.
- Sistema upirativu Windows obsoleto.
- 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.
Mètode 1: Riavvia u PC
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 chjodi the PC using the Power options and turn it on again after some time.
1. Navigate à Menu di iniciata.
2. Avà, selezziunate icona di putenza à l'angulu in fondu à manca di u screnu.
3. Diversi ozzione cum'è sonnu, Chjodi, e Restart serà affissatu. Quì, cliccate nant'à 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. Cliccate cù u buttone drittu Avast Icona antivirus on the Desktop.
2. Ora, cliccate nantu à Joint.
3. In a finestra Pruprietà, cambià à u Vincenti tabulazione.
4. Here, check the box Eseguite stu prugrammu cum'è amministratore.
5. Infine, cliccate nant'à Dumandà> OK per salvà i cambiamenti.
Now, relaunch the program to see if Avast functions now without any problems.
Also Read: Fix Virus Definition Failed in Avast Antivirus
Metudu 3: Cambia i paràmetri di data è ora
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. Premete u Tasti Windows + I inseme per apre Impostazioni Windows.
2. Avà, selezziunate Tempu & Lingua scatula.
3. Next, in Data è ora tab, assicuratevi i dui valori Aghjustate u tempu automaticamente e Sceglite a zona oraria automaticamente l'opzioni sò attivate.
4. Allora, cliccate nant'à Sincronizza avà 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. Colpite u Windows key è tipu Avast Free Antivirus. Cliccate nant'à Open da u risultatu di ricerca.
2. Andà à Menu icon from the top right corner of the Avast user interface.
3. Dopu, selezziunate taliata da a lista.
4. Avà, cambià à vagabonda tabulazione è cliccà nantu Verificate per Aghjurnà button. Make sure you get the following messages.
- Virus definitions are 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.
Also Read: Cumu risolve Avast Update Stuck in Windows 10
Metudu 5: Close Processes Background
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. Premete u Windows key, tipu Services, è cliccate nantu Executà cum'è amministratore.
2. Avà, scroll down è doppia-cliccate nant'à aswbIDSAgent serviziu.
3. Now, in the new pop-up window, change Startup type to Automatic, as depicted.
nota: sè l ' Statu di serviziu is Stufa, dopu cliccate nantu à u Start buttone. Sì u Statu di serviziu is corsa, cliccate puru Stop è principià dinò.
4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Log In tabulazione, cliccate nant'à u situ Stu contu radio button and select the Sfoglia funziunalità.
5. In u Entra u nome di l'ughjettu per selezziunate field, type the username of your account.
6. Allora, cliccate nant'à I Names di Ghjenuè option to authenticate the object name.
7. Ora, cliccate nantu à OK to save the changes and if you are prompted, type in your administrator account.
8. Cliccate nant'à Dumandà> OK to save the changes and check if you were able to open Avast without any issues.
Also Read: Cumu sguassà Avast da Windows 10
Metudu 7: Run Virus Scan
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.
Dunque, vi hè cunsigliatu di scansà u vostru urdinatore cum'è struitu in a nostra guida Cumu fà una scansione di virus in u mo Computer?
Inoltre, sè vo vulete caccià u malware da u vostru urdinatore, verificate a nostra guida Cumu sguassà Malware da u vostru PC in Windows 10.
Metudu 8: Update 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.
Dunque, assicuratevi chì avete aghjurnatu u vostru Sistema Operativu Windows è se alcune aghjurnamenti sò pendenti in azzione, aduprate a nostra guida Cumu scaricà è installà Windows 10 L'ultima aghjurnazione
After updating your Windows Operating System, check whether you can access your Avast without any issues.
Metudu 9: Modifica i paràmetri di u firewall di Windows Defender
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.
Opzione II: Disattivà u Firewall (micca cunsigliatu)
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.
Opzione III: Crea una nova regula in Firewall
1. Andà à Menu di ricerca è tipu Windows Defender Firewall cù Sicurezza Avanzata. Dopu, cliccate nantu Executà cum'è amministratore.
2. Avà, in u pane manca, cliccate nant'à Regule di Inbound cum'è illustratu.
3. Allora, in u pane dritta, cliccate nant'à Nova regula... cum'è mostratu.
4. Avà, assicuratevi di sceglie u U prugramma opzione sottu Chì tippu di regula vulete creà? menu è cliccate nantu à Next> cum'è mostratu.
5. Allora, cliccate nant'à u Esplora ... buttone currispondente à Stu percorsu di u prugramma: cum'è mostratu.
6. Allora, navigate à C:Program Files (x86)Avast percorso è fate un doppiu clic istituisci file. Then, click on Open buttone.
nota: This location may vary according to the directory from which you have installed Avast. Browser the location accordingly.
7. Allora, cliccate nant'à Next> in u Novu Assistente di Regula Inbound finestra cum'è mostra.
8. Avà, selezziunà u buttone radiu vicinu à Permette a cunnessione è cliccà nantu Next> cum'è illustratu.
9. Assicuratevi Duminiu, privatu è publicu scatuli sò selezziunati è cliccate nant'à Next> cum'è mostratu.
10. Finalmente, aghjunghje un nome à a vostra nova regula è cliccate Finisci.
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 Menu> Impostazioni cum'è avete fattu prima.
2. Dopu, cambià à Troubleshooting tabulazione.
3. Quì, cliccate nant'à Repair App in the right pane. Wait until the repairing process is complete. This might take a while.
nota: 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 Aghjustate o sguassate programmi in u ricerca di Windows box. Launch it from the search result, as shown.
2. In Cerca sta lista barra, tipu Avast.
3. Allora, cliccate nant'à Avast è dopu, Modificà.
nota: The below image is depicted for reference. Follow the same for Avast.
4. Cliccate nant'à Repubblica 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.
Also Read: Fix SearchUI.exe Suspended Error in 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.
nota: 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 è cliccà nantu Menu option at the top right corner of the screen.
2. Avà, selezziunate taliata da a lista di cullizzioni.
3. Allora, navigate à General tab and then select click on Troubleshooting funziunalità.
4. Dopu, selezziunate Resettate per Default buttone.
5. If you are prompted, click on Iè 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.
Visità 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 cunfigurazione di u sistema in the Windows search bar. Then, click on Configurazione di Sistema di lanciari.
2. Cambia à u bugghiu tab in the window that opens.
3. Dopu, selezziunate Boot sicuru under Boot options and then, click on OK, cum'è mostratu sottu.
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 avete scaricatu prima.
6. In the uninstall utility window, ensure that the correct folder containing the corrupt Avast program is selected.
7. Ora, cliccate nantu à Uninstall.
8. After Avast has been uninstalled, Restart Windows in Modu Normal.
9. Visit this official Avast link è cliccate nantu DOWNLOAD FREE PROTECTION to download the latest Avast Antivirus application, as shown below.
10. Once the file is downloaded, do to I mo scaricamenti, cliccate doppiu nant'à u 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.
Also Read: Cumu disinstalla McAfee LiveSafe 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 Cuntatta ci buttone.
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.
Domande Frequenti (FAQs)
Q1. Why does my Avast not updating virus definitions?
Ans. S'ellu ci sò 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. Pochi 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. Per esse più precisu, 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.
ricumandatu:
Speremu chì sta guida hè stata utile è pudete 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.
