Ceartaich Avast gun a bhith ag ùrachadh mìneachaidhean bhìoras

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• Outdated Avast will cause the discussed problem.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.
• Seann siostam-obrachaidh Windows.
• 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.

Modh 1: Ath-thòisich 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 Dùin sìos the PC using the Power options and turn it on again after some time.

1. Seòl gu start menu.

2. A-nis, tagh ìomhaigh cumhachd aig oisean gu h-ìosal air an taobh chlì den sgrion.

3. Tha grunn roghainnean mar Sleep, Dùin sìos, agus Ath-thòisich thèid a thaisbeanadh. An seo, cliog air Ath-thòisich.

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. Dèan briogadh deas air avast Antivirus ìomhaigheag on the Desktop.

2. A-nis, brùth air Properties.

3. Anns an uinneag Properties, gluais chun an co-fhreagarrachd tab.

4. Here, check the box Ruith am prògram seo mar rianadair.

5. Mu dheireadh, cliog air Cuir a-steach> OK gus na h-atharrachaidhean a shàbhaladh.

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

Cuideachd Leugh: Fix Virus Definition Failed in Avast Antivirus

Dòigh 3: Atharraich ceann-latha agus roghainnean ùine

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. Brùth air an Iuchraichean Windows + I. còmhla gus fhosgladh Roghainnean Windows.

2. A-nis, tagh Ùine & Cànan suidheachadh.

3. Air adhart, ann an Ceann-latha & àm tab, dèan cinnteach gu bheil an dà luach Suidhich an ùine gu fèin-ghluasadach agus Suidhich an sòn ùine gu fèin-ghluasadach tha roghainnean air an tionndadh.

4. An uairsin, cliog air Sync a-nis 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. Buail an Iuchair Windows agus a 'sgrìobhadh Avast Antivirus an-asgaidhS an Iar- Cliog air Open bhon toradh rannsachaidh.

2. Rach gu Menu icon from the top right corner of the Avast user interface.

3. An uairsin, tagh roghainnean bhon liosta.

4. A nis, atharraich gu Update tab agus briog air Dèan cinnteach gu bheil thu ag ùrachadh button. Make sure you get the following messages.

• Tha mìneachaidhean bhìoras ùraichte
• Avast Free Antivirus is up to date

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

Cuideachd Leugh: Mar a shocraicheas tu ùrachadh Avast glaiste air Windows 10

Dòigh 5: Dùin Pròiseasan Cùl-fhiosrachaidh

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. Brùth air an Iuchair Windows, seòrsa seirbheisean, agus cliog air Rach mar rianaire.

2. A-nis, sgrolaich sìos agus briogadh dùbailte air aswbIDSAgent seirbheis.

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

Note: Ma tha a ' Inbhe seirbheis is Na stad, an uairsin cliog air Start putan. Ma tha an Inbhe seirbheis is Running, cliog air stad agus Tòisich a-rithist e.

4. When you start the service, you may face a 1079 error (or something similar to that). In this case, switch to the Log a-steach tab, cliog air An cunntas seo radio button and select the Rùraich roghainn.

5. Anns a Cuir a-steach ainm an togalaich airson taghadh field, type the username of your account.

6. An uairsin, cliog air Seallaibh ainmean option to authenticate the object name.

7. A-nis, brùth air OK to save the changes and if you are prompted, type in your administrator account.

8. Cliog air Cuir a-steach> OK to save the changes and check if you were able to open Avast without any issues.

Cuideachd Leugh: Mar a bheir thu air falbh Avast bho Windows 10

Dòigh 7: Ruith Scan bhìoras

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.

Mar sin, thathas a’ moladh dhut do choimpiutair a sganadh mar a chaidh a stiùireadh san stiùireadh againn Ciamar a ruitheas mi scan bhìoras air a’ choimpiutair agam?

Cuideachd, ma tha thu airson malware a thoirt air falbh bhon choimpiutair agad, thoir sùil air an stiùireadh againn Mar a bheir thu air falbh Malware bhon PC agad Windows 10.

Dòigh 8: Ùraich 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.

Dòigh 9: Atharraich roghainnean balla-teine ​​​​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.

Roghainn II: Cuir à comas balla-teine ​​(Gun mholadh)

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.

Roghainn III: Cruthaich Riaghailt Ùr ann am Balla-teine

1. Rach gu Lorg clàr agus a 'sgrìobhadh Balla-teine ​​​​Windows Defender le tèarainteachd adhartach. An uairsin, cliog air Rach mar rianaire.

2. A-nis, anns a 'phana chlì, cliog air Riaghailtean a-steach mar a chithear.

3. An uairsin, anns a 'phana cheart, cliog air Riaghailt ùr… mar a chithear.

4. A-nis, dèan cinnteach gu bheil thu a 'taghadh an Program roghainn fo Dè an seòrsa riaghailt a bhiodh tu airson a chruthachadh? agus briog air Air adhart> mar a chithear.

5. An uairsin, cliog air an Rùraich… putan a fhreagras air An t-slighe prògram seo: mar a chithear.

6. An uair sin, seòladh gu C:Program Files (x86)Avast slighe agus cliog dùbailte air Suidhich file. Then, click on Open putan.

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

7. An uairsin, cliog air Air adhart> Anns a’ Draoidh riaghailt ùr a-steach uinneag mar a chithear.

8. A-nis, tagh am putan rèidio ri taobh Leig leis a 'cheangal agus briog air a ' Air adhart> mar a chithear.

9. Dèan cinnteach Domain, Prìobhaideach, agus Poblach tha bogsaichean air an taghadh agus cliog air Air adhart> mar a chithear.

10. Mu dheireadh, cuir ainm ris an riaghailt ùr agad agus cliog air Crìochnaich.

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 Clàr> Roghainnean mar a rinn thu roimhe.

2. Air adhart, gluais gu Fuasgladh dhuilgheadasan tab.

3. An seo, cliog air App càradh in the right pane. Wait until the repairing process is complete. This might take a while.

Note: 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. Seòrsa Cuir ris no thoir air falbh prògraman Anns a’ Windows lorg box. Launch it from the search result, as shown.

2. Ann Rannsaich an liosta seo bar, seòrsa avast.

3. An uairsin, cliog air avast agus an uair sin, Mion-atharrachadh.

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

4. Cliog air Càradh 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.

Cuideachd Leugh: 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.

Note: 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 agus briog air a ' Menu option at the top right corner of the screen.

2. A-nis, tagh roghainnean bhon liosta a-nuas.

3. An uair sin, seòladh gu Coitcheann tab and then select click on Fuasgladh dhuilgheadasan roghainn.

4. An uairsin, tagh Ath-shuidheachadh gu bunaiteach putan.

5. If you are prompted, click on Tha 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.

Tadhail air Avast official uninstaller site, agus an uairsin, cliog air faidhle avastclear.exe to get the Avast Uninstall Utility, as shown below.

Now you have to boot Windows in Safe Mode by following steps:

1. Seòrsa Windows rèiteachadh an t-siostaim in the Windows search bar. Then, click on Cumail an t-siostaim airson a chuir air bhog.

2. Atharraich chun an boot tab in the window that opens.

3. An ath rud, tagh Buideal sàbhailte under Boot options and then, click on OK, mar a chithear gu h-ìosal.

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 a luchdaich thu sìos roimhe.

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

7. A-nis, brùth air dì-stàlaich.

8. After Avast has been uninstalled, Ath-thòisich Windows a-steach Modh àbhaisteach.

9. Visit this official Avast link agus an uair sin cliog air DÌON AN-ASGAIDH DOWNLOAD to download the latest Avast Antivirus application, as shown below.

10. Once the file is downloaded, do to Mo luchdachadh sìos, briogadh dùbailte air an 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.

Cuideachd Leugh: Mar a dhì-stàlaich thu McAfee LiveSafe ann 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 Fios putan.

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.

Ceistean Bitheanta (Ceistean Àbhaisteach)

Q1. Why does my Avast not updating virus definitions?

Ans. Ma tha gin ann 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. Glè bheag 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. Airson a bhith nas mionaidiche, 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.

Air a mholadh:

Tha sinn an dòchas gun robh an stiùireadh seo cuideachail agus gum b’ urrainn dhut 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.