Коригирайте Avast, който не актуализира дефинициите на вируси

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• Outdated Avast will cause the discussed problem.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.

Метод 1: Рестартирайте компютъра

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

1. Придвижете се до Старт менюто.

2. Сега изберете икона за захранване в долния ляв ъгъл на екрана.

3. Няколко опции като Спя, Спрян, и Restart ще се покаже. Тук, щракнете върху 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. Щракнете с десния бутон върху Avast Антивирусна икона on the Desktop.

2. Сега кликнете върху Имоти.

3. В прозореца Свойства превключете на Съвместимост раздела.

4. Тук поставете отметка в квадратчето Стартирай тази програма като администратор.

5. Накрая кликнете върху Приложи> OK за да запазите промените.

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

Също прочетено: Fix Virus Definition Failed in Avast Antivirus

Метод 3: Променете настройките за дата и час

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. Натисни Windows + I клавиши заедно, за да отворите Настройки на Windows.

2. Сега изберете Време и език създаване.

3. След това, в Време за среща проверете двете стойности Задайте времето автоматично намлява Задайте часовата зона автоматично опциите са включени.

4. След това кликнете върху Синхронизирайте сега 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. Натиснете бутона Windows клавиша и вид Avast Free Antivirus. Кликнете върху отворено от резултата от търсенето.

2. Отидете Меню icon from the top right corner of the Avast user interface.

3. След това изберете Настройки от списъка.

4. Сега превключете към Актуализация и кликнете върху Проверка за актуализация button. Make sure you get the following messages.

• Дефинициите на вируси са актуални
• Avast Free Antivirus is up to date

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

Също прочетено: Как да коригирате блокираната актуализация на Avast на Windows 10

Метод 5: Затворете фоновите процеси

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. Натисни Windows клавиша, Тип Услуги, и кликнете върху Изпълнявай като администратор.

2. Сега превъртете надолу и щракнете двукратно върху aswbIDSAgent услуга.

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

Забележка: Ако Състояние на услугата is Спряно, след това кликнете върху Начало бутон. Ако Състояние на услугата is Работещи, кликнете върху Спиране и го стартирайте отново.

4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Влез On кликнете върху Този акаунт радио бутон и изберете паса опция.

5. В Въведете името на обекта, за да изберете field, type the username of your account.

6. След това кликнете върху Проверете имената option to authenticate the object name.

7. Сега кликнете върху OK to save the changes and if you are prompted, type in your administrator account.

8. Кликнете върху Приложи> OK to save the changes and check if you were able to open Avast without any issues.

Също прочетено: Как да премахнете Avast от Windows 10

Метод 7: Стартирайте сканиране за вируси

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.

Затова ви съветваме да сканирате компютъра си, както е указано в нашето ръководство Как да стартирам сканиране за вируси на моя компютър?

Освен това, ако искате да премахнете зловреден софтуер от вашия компютър, вижте нашето ръководство Как да премахнете зловреден софтуер от вашия компютър в Windows 10.

Метод 8: Актуализирайте 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.

Следователно, уверете се, че сте актуализирали вашата операционна система Windows и ако има чакащи актуализации в действие, използвайте нашето ръководство Как да изтеглите и инсталирате последната актуализация на Windows 10

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

Метод 9: Промяна на настройките на защитната стена на 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.

Вариант II: Деактивирайте защитната стена (не се препоръчва)

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.

Вариант III: Създайте ново правило в защитната стена

1. Отидете Меню за търсене и вид Защитна стена на Windows Defender с разширена защита. След това кликнете върху Изпълнявай като администратор.

2. Сега в левия прозорец щракнете върху Входящи правила както е изобразено.

3. След това в десния панел щракнете върху Ново правило… както е показано.

4. Сега се уверете, че сте избрали Програма опция под Какъв тип правило искате да създадете? и кликнете върху Напред> както е показано.

5. След това щракнете върху Browse ... бутон, съответстващ на Този програмен път: както е показано.

6. След това отидете до C:Program Files (x86)Avast път и щракнете двукратно върху структура file. Then, click on отворено бутон.

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

7. След това кликнете върху Следваща> в Съветник за ново входящо правило прозорец, както е показано.

8. Сега изберете радио бутона до Разрешете връзката и кликнете върху Следваща> както е изобразено.

9. Уверете се Домейн, частен и публичен полетата са избрани и щракнете върху Следваща> както е показано.

10. Накрая добавете име към новото си правило и щракнете върху завършеност.

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. хвърлям Avast Antivirus and navigate to Меню> Настройки както направи по-рано.

2. След това превключете на Отстраняване на проблеми раздела.

3. Тук щракнете върху Приложение за ремонт in the right pane. Wait until the repairing process is complete. This might take a while.

Забележка: 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. Тип Добавяне или премахване на програми в Търсене в Windows box. Launch it from the search result, as shown.

2. В Търсете в този списък лента, тип Avast.

3. След това кликнете върху Avast и тогава, Промяна.

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

4. Кликнете върху Ремонт 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.

Също прочетено: 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.

Забележка: 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. хвърлям Avast и кликнете върху Меню опция в горния десен ъгъл на екрана.

2. Сега изберете Настройки от падащия списък.

3. След това отидете до общ tab and then select click on Отстраняване на проблеми опция.

4. След това изберете Обновявам до първоначалното бутон.

5. If you are prompted, click on Да 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.

посещение 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. Тип Windows системна конфигурация in the Windows search bar. Then, click on System Configuration да го стартира.

2. Превключете на ботуш tab in the window that opens.

3. След това изберете Safe обувка under Boot options and then, click on OK, както е показано по-долу.

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 сте изтеглили преди това.

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

7. Сега кликнете върху Uninstall.

8. After Avast has been uninstalled, Restart Windows в Нормален режим.

9. Visit this official Avast link и след това кликнете върху ИЗТЕГЛЕТЕ БЕЗПЛАТНА ЗАЩИТА to download the latest Avast Antivirus application, as shown below.

10. Once the file is downloaded, do to Моите изтегляния, щракнете двукратно върху 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.

Също прочетено: Как да деинсталирате McAfee LiveSafe в 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 Свържи се с нас бутон.

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.

Често задавани въпроси (FAQ)

Q1. Why does my Avast not updating virus definitions?

Ans. Ако има такива 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, Малцина 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. За да бъдем по-точни, 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.

Препоръчва се:

Надяваме се, че това ръководство е било полезно и сте могли 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.