Avast'ın Virüs Tanımlarını Güncellememesini Düzeltme

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• Outdated Avast will cause the discussed problem.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.
• Eski Windows işletim sistemi.
• 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.

Yöntem 1: PC'yi yeniden başlat

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

1. Şu yöne rotayı ayarla Başlat menüsü.

2. Şimdi seçin güç simgesi ekranın sol alt köşesinde.

3. Gibi çeşitli seçenekler uyku, kapatmak, ve Yeniden görüntülenecektir. İşte, tıklayın Yeniden.

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. Sağ tıklayın avast Antivirüs simgesi on the Desktop.

2. Şimdi, üzerine tıklayın Emlaklar.

3. Özellikler penceresinde şuraya geçin: uygunluk sekmesi.

4. Here, check the box Yönetici olarak bu programı çalıştır.

5. Son olarak, tıklayın Uygula> Tamam değişiklikleri kaydetmek için.

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

Ayrıca Oku: Fix Virus Definition Failed in Avast Antivirus

Yöntem 3: Tarih ve Saat Ayarlarını Değiştirme

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. Tuşuna basın. Windows + I tuşları birlikte açmak için Windows Ayarları.

2. Şimdi seçin Zaman ve Dil ayarı.

3. Next, in Tarih ve saat sekmesinde iki değerin olduğundan emin olun Saati otomatik olarak ayarla ve Saat dilimini otomatik olarak ayarla seçenekler etkinleştirilir.

4. Ardından, tıklayın Şimdi senkronize et 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. düğmesine basın. Windows tuşu ve tip Avast Free Antivirus. Tıklayın Açılış arama sonucundan.

2. Gidin Menü icon from the top right corner of the Avast user interface.

3. Ardından, Ayarlar listeden.

4. Şimdi şuraya geçin: Güncelleme sekmesini tıklayın ve üzerine tıklayın. Güncellemeleri kontrol ediniz 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.

Ayrıca Oku: Avast Güncellemesinin Windows 10'da Takılıp Kalması Nasıl Onarılır

Yöntem 5: Arka Plan İşlemlerini Kapatın

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. Tuşuna basın. Windows tuşuyazın HizmetlerVe tıklayın Yönetici olarak çalıştır.

2. Şimdi aşağı kaydırın ve üzerine çift tıklayın. aswbIDSAgent hizmet.

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

Not: Eğer servis durumu is Durdurulduve ardından Başlama buton. Eğer servis durumu is Koşu, tıklamak dur ve tekrar başlatın.

4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Açık Oturum sekmesini tıklayın Bu hesap radyo düğmesini seçin ve Araştır seçeneği.

5. içinde Seçilecek nesne adını girin field, type the username of your account.

6. Ardından, tıklayın İsimleri Kontrol Et option to authenticate the object name.

7. Şimdi, üzerine tıklayın OK to save the changes and if you are prompted, type in your administrator account.

8. Tıklamak Uygula> Tamam to save the changes and check if you were able to open Avast without any issues.

Ayrıca Oku: Avast'ı Windows 10'dan Kaldırma

Yöntem 7: Virüs Taramasını Çalıştırın

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.

Bu nedenle, bilgisayarınızı kılavuzumuzda anlatıldığı şekilde taramanız tavsiye edilir. Bilgisayarımda Virüs Taramasını Nasıl Çalıştırırım?

Ayrıca, bilgisayarınızdan kötü amaçlı yazılımları kaldırmak istiyorsanız, Windows 10'da Bilgisayarınızdan Kötü Amaçlı Yazılım Nasıl Kaldırılır kılavuzumuza bakın.

Yöntem 8: Windows'u Güncelleyin

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.

Yöntem 9: Windows Defender Güvenlik Duvarı Ayarlarını Değiştirin

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.

Seçenek II: Güvenlik Duvarını Devre Dışı Bırakın (Önerilmez)

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.

Seçenek III: Güvenlik Duvarında Yeni Kural Oluşturun

1. Gidin Arama menüsü ve tip Gelişmiş Güvenlik Özellikli Windows Defender Güvenlik Duvarı. Sonra tıklayın Yönetici olarak çalıştır.

2. Şimdi sol bölmede simgesine tıklayın. Gelen kurallar Tasvir edildiği gibi.

3. Ardından sağ bölmede simgesine tıklayın. Yeni kural… gosterildigi gibi.

4. Şimdi, seçtiğinizden emin olun. Programı altında seçenek Ne tür bir kural oluşturmak istiyorsunuz? menü ve tıklayın Sonraki> gosterildigi gibi.

5. Ardından, Araştır… karşılık gelen düğme Bu programın yolu: gosterildigi gibi.

6. Ardından şuraya gidin: C:Program Files (x86)Avast yolu seçin ve üzerine çift tıklayın kurulum dosya. Daha sonra tıklayın Açılış düğmesine basın.

Not: This location may vary according to the directory from which you have installed Avast. Browser the location accordingly.

7. Ardından, tıklayın Sonraki> içinde Yeni Gelen Kuralı Sihirbazı gösterildiği gibi pencere.

8. Şimdi yanındaki radyo düğmesini seçin. Bağlantıya izin ver ve üzerine tıklayın Sonraki> Tasvir edildiği gibi.

9. Emin olmak Etki Alanı, Özel ve Genel kutular seçilir ve üzerine tıklanır Sonraki> gosterildigi gibi.

10. Son olarak yeni kuralınıza bir ad ekleyin ve Bitiş.

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. Başlatmak avast Antivirus and navigate to Menü > Ayarlar daha önce yaptığın gibi.

2. Ardından şuraya geçin: Sorun giderme sekmesi.

3. Buraya tıklayın Onarım Uygulaması in the right pane. Wait until the repairing process is complete. This might take a while.

Not: 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. tip Program ekle veya kaldır içinde Windows araması box. Launch it from the search result, as shown.

2. içinde Bu listede ara çubuk, tür avast.

3. Ardından, tıklayın avast ve daha sonra, değiştirmek.

Not: The below image is depicted for reference. Follow the same for Avast.

4. Tıklamak Onarım 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.

Ayrıca Oku: 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.

Not: 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. Başlatmak avast ve üzerine tıklayın Menü Ekranın sağ üst köşesindeki seçenek.

2. Şimdi seçin Ayarlar açılır listeden seçin.

3. Ardından şuraya gidin: genel tab and then select click on Sorun giderme seçeneği.

4. Ardından, Varsayılana sıfırla düğmesine basın.

5. If you are prompted, click on Evet 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.

Türkiye Dental Sosyal Medya Hesaplarından bizi takip edebilirsiniz. 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. tip Windows Sistem yapılandırması in the Windows search bar. Then, click on sistem Yapılandırması başlatmak için.

2. Cihaza geç Çizme tab in the window that opens.

3. Ardından, seçin Güvenli önyükleme under Boot options and then, click on OK, Aşağıda gösterildiği gibi.

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 Daha önce indirdiğiniz

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

7. Şimdi, üzerine tıklayın kaldırma.

8. After Avast has been uninstalled, Yeniden Windows içinde Normal Mod.

9. Visit this official Avast link ve sonra üzerine tıklayın ÜCRETSİZ KORUMA İNDİR to download the latest Avast Antivirus application, as shown below.

10. Once the file is downloaded, do to İndirdiklerim, üzerine çift tıklayın 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.

Ayrıca Oku: Windows 10'da McAfee LiveSafe Nasıl Kaldırılır

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 Bize ulaşın düğmesine basın.

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.

Sıkça Sorulan Sorular (SSS)

Q1. Why does my Avast not updating virus definitions?

Ans. Eğer varsa 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. Az 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. Daha kesin olmak gerekirse, 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.

Önerilen:

Umarız bu rehber yardımcı olmuştur ve 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.