Fix Avast net bywurkje fan firusdefinysjes
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- Outdated Avast will cause the discussed problem.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.
- Outdated Windows operating system.
- 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.
Metoade 1: PC op 'e nij begjinne
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 ofslúte the PC using the Power options and turn it on again after some time.
1. Gean nei Startmenu.
2. Selektearje no macht ikoan oan de linker ûnderkant fan it skerm.
3. Ferskate opsjes lykas Sliep, Ofslúte, en Restart sil werjûn wurde. Hjir, klik op 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. Rjochts-klikke op avast Antivirus byldkaike on the Desktop.
2. No, klikje op eigenskippen.
3. Yn it Eigenskippen finster, oerskeakelje nei de Compatibility tab.
4. Here, check the box Dit programma útfiere as behearder.
5. As lêste, klik op Tapasse> OK om de wizigingen op te slaan.
Now, relaunch the program to see if Avast functions now without any problems.
Lês ek: Fix Virus Definition Failed in Avast Antivirus
Metoade 3: Feroarje datum en tiid ynstellings
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 op de Windows + I toetsen tegearre te iepenjen Windows ynstellings.
2. Selektearje no Tiid & Taal ynstellings.
3. Next, in Datum tiid tab, soargje foar de twa wearden Stel de tiid automatysk yn en Stel de tiidsône automatysk yn opsjes wurde ynskeakele.
4. Klik dan op No syngronisearje 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. Hit de Windows-kaai en type Avast Free Antivirus. Klik op Iepen út it sykresultaat.
2. Gean nei Menu icon from the top right corner of the Avast user interface.
3. Selektearje dan ynstellings fan 'e list.
4. No, oerskeakelje nei Update tab en klikke op Kontrolearje op fernijing 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.
Lês ek: How to Fix Avast Update Stuck on Windows 10
Metoade 5: Eftergrûnprosessen slute
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 op de Windows-kaai, type Tsjinsten, en klikje op Run as administrator.
2. No, rôlje nei ûnderen en dûbelklik op aswbIDSAgent betsjinning.
3. Now, in the new pop-up window, change Opstarttype to Automatic, as depicted.
Noat: As de Tsjinststatus is Stopp, klik dan op it Start knop. As de Tsjinststatus is Te rinnen, klikje op Ophâlde en Begjin it nochris.
4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Log yn tab, klik op de Dit akkount radio button and select the blêdzje opsje.
5. Yn de Fier de objektnamme yn om te selektearjen field, type the username of your account.
6. Klik dan op Nammen kontrolearje option to authenticate the object name.
7. No, klikje op OK to save the changes and if you are prompted, type in your administrator account.
8. Klik op Tapasse> OK to save the changes and check if you were able to open Avast without any issues.
Lês ek: How to Remove Avast from Windows 10
Metoade 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.
Dêrom wurdt jo advisearre om jo kompjûter te scannen lykas ynstruearre yn ús hantlieding Hoe kin ik in firusscan op myn kompjûter útfiere?
As jo ek malware fan jo kompjûter wolle ferwiderje, kontrolearje dan ús gids Hoe kinne jo malware fan jo PC ferwiderje Windows 10.
Metoade 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.
Hence, ensure if you have updated your Windows Operating System and if any updates are pending in action, use our guide How to Download and Install Windows 10 Latest Update
After updating your Windows Operating System, check whether you can access your Avast without any issues.
Metoade 9: Wizigje Windows Defender Firewall-ynstellingen
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.
Opsje II: Firewall útskeakelje (net oanrikkemandearre)
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.
Opsje III: Meitsje nije regel yn Firewall
1. Gean nei Sykmenu en type Windows Defender Firewall mei Avansearre feiligens, Klikje dan op Run as administrator.
2. No, yn de linker pane, klik op Ynbûne regels lykas ôfbylde.
3. Dan, yn it rjochter pane, klik op Nije regel... lykas werjûn.
4. No, soargje derfoar dat jo selektearje de Programma opsje ûnder Hokker type regel wolle jo meitsje? menu en klikke op Folgjende> lykas werjûn.
5. Klik dan op de Blêdzje ... knop oerienkommende mei Dit programmapaad: lykas werjûn.
6. Dan, navigearje nei C:Program Files (x86)Avast paad en dûbelklikke op opsette file. Then, click on Iepen knop.
Noat: This location may vary according to the directory from which you have installed Avast. Browser the location accordingly.
7. Klik dan op Folgjende> yn de Nije Inbound Rule Wizard finster lykas werjûn.
8. No, selektearje de radio knop neist Tastean de ferbining en klikje op Folgjende> lykas ôfbylde.
9. Soargje derfoar Domein, privee en iepenbier doazen wurde selektearre en klik op Folgjende> lykas werjûn.
10. As lêste, foegje in namme ta oan jo nije regel en klik op Ein.
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> Ynstellings lykas jo earder dien hawwe.
2. Folgjende, wikselje nei Problemen oplosse tab.
3. Hjir, klik op Reparaasje App in the right pane. Wait until the repairing process is complete. This might take a while.
Noat: 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 Programma's tafoegje of ferwiderje yn de Windows sykjen box. Launch it from the search result, as shown.
2. Yn Sykje dizze list bar, type avast.
3. Klik dan op avast en doe, Feroarje.
Noat: The below image is depicted for reference. Follow the same for Avast.
4. Klik op Meitsje 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.
Lês ek: Fix SearchUI.exe Suspended Error on 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.
Noat: 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 en klikje op Menu option at the top right corner of the screen.
2. Selektearje no ynstellings fan 'e dropdown list.
3. Dan, navigearje nei Algemien tab and then select click on Problemen oplosse opsje.
4. Selektearje dan Reset nei standert 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.
Besite 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 systeem Konfiguraasje in the Windows search bar. Then, click on Systeem Konfiguraasje om it te starten.
2. Wikselje nei de Boot tab in the window that opens.
3. Selektearje dan Feilige boot under Boot options and then, click on OK, lykas hjirûnder werjûn.
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 jo earder ynladen.
6. In the uninstall utility window, ensure that the correct folder containing the corrupt Avast program is selected.
7. No, klikje op -ynstallaasje.
8. After Avast has been uninstalled, Restart Windows yn Normal Mode.
9. Visit this official Avast link en klik dan op DOWNLOAD FERGESE PROTECTION to download the latest Avast Antivirus application, as shown below.
10. Once the file is downloaded, do to Myn downloads, dûbelklik 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.
Lês ek: Hoe McAfee LiveSafe yn te wiskjen 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 Mei Ús Opnimme 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.
Frequently Asked Questions (FAQs)
Q1. Why does my Avast not updating virus definitions?
Ans. As der binne 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. Few 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 krekter te wêzen, 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.
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Wy hoopje dat dizze gids nuttich wie en dat jo koene 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.