Avast Antivirus

Avast Antivirus

25.9.10453

AVAST Software

5.0 (1 votes)
September 30, 2025
Windows
783.50 MB
Freeware

Avast Antivirus is the best antivirus program to save your system from virus, and any type of threat

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Download Free for Windows

Avast Antivirus program belongs to Avast software presenting multiple features to protect your PC from any type of spyware, malware, Trojans, the latest online threats, malicious sites, and viruses. The most trustworthy protocol saves about 220 million people, businesses, as well as Androids globally. Have unlimited layers of security for keeping your system safe from any type of threat.

Download Avast free Antivirus offline installer. As well as anti-spyware security for your PC, Mac, and Android from it currently.

The latest version of trustworthy safety in the globe is prepared, and it’s totally free. free Antivirus safeguards more than two billion persons, dealings, and mobile devices internationally.

Avast Antivirus Features

Clear out Browsing

Some irritating toolbars or ad on that slow down the speed of your system, and take over browser research by someone can be cleared out by Avast. Unlike another antivirus, the program gives detailed scanning and boosts the browsing with easy-to-use and reliable security capabilities.

Updates Software

The program offers Avast Virus Definitions to keep you updated constantly. An updated database of virus definition protects your system from any advanced spyware, malware, viruses, and suspicious sites. The latest and active Avast tools alert the development team to counter them quickly as well as add the significant database of Avast.

Fastest Performance

A wide range of scanning features remove all junk and discover security threats in moments to speed up your computer work-station. While booting an automatic scan starts that is useful for checking security alerts. To scan text content the latest scanning engine, EXE file scanning, and improved memory usage cause low damaging your PC and complete tasks in the fastest way.

Multiple Scanning Styles

Avast Free Antivirus gives the fastest scanning in all parts of PC like in removable drives, custom directories, and auto-start processes of Windows boot. The reliable and smooth default configuration of Avast saves you to make any change in setting. The antivirus, antimalware, and heuristics engine including with unlimited real-time shields which enables the mail, and file system shield to connect with old behavior, network, quick texting, P2P, as well as Web shields.

Gaming Mode

The addition of gaming Mode with some new tricks and the latest version with logo Do Not Disturb Mode. The mode gives you undisturbed gaming via blocking notifications when you are using a full screen. 

Intuitive Interface

The customized homepage gives easy access to tools, scanning processes, and portable devices. The main Window is cleared as well as uncluttered with buttons spontaneously positioned. 

Software Updater

Avast Free Antivirus definitely brings up-to-date your vital software to enlargement of the general safety and situation of your PC.

Remote Help

Remote Help allows you to support as well as be assisted above the Internet.

Smart Scan

Smart Scan lets for one-tap scanning. It can be possible currently. So you can Safe your home system devices. Like routers as well as wireless devices. So Guard your Windows through the greatest free antivirus available everywhere.

Compatible with Windows

Avast Antivirus Free Download With various compatibility with all types of devices, the app has special compatibility with all types of Windows———-Windows 10, Windows 11, Windows 8, Windows 7, and Windows XP are mainly operating systems to run the app very smoothly and reliably. In addition, it requires a 32-bit and 64-bit setup.

When Avast won’t Open on Windows 10, What Should You Do?

Windows Defender is installed by default on Windows 10 PCs, but Avast adds the following features:

  • Virus and malware prevention using advanced antivirus software
  • Browser cleaning, behavior shield, and remote assistance are among the other security features.

Avast and your PC’s operating system should both be updated

Check that the Avast application and your computer’s operating system are both up to date before trying any of the other methods in this article.

To see if you have the most recent version of Avast antivirus, follow these steps:

1. Select Update > Program from the context menu of the Avast app icon.

2. Wait for the software to check for and install updates after selecting Check for Updates.

3. Once the update is complete, a notification stating “Your application is up to date” appears.

4. To finish the update, restart your computer.

Checking your Avast’s installation

If the Avast application is properly installed, it will appear in the Windows list of Apps and Features. If the app does not open, you may need to ensure that it is properly installed, activated, and updated.

1. Select Start > Apps & Features from the context menu.

2. If Avast isn’t listed in the Apps & Features list, it wasn’t installed correctly on your computer, and you’ll need to download and reinstall it.

Check the status of your Avast subscription

After installation, Avast Free Antivirus activates automatically, but you may be asked to reactivate it after 12 months.

1. Select Registration Information from the right-click menu of the Avast icon in the Windows taskbar.

2. On the My Subscriptions screen, click Upgrade Now.

3. Select Avast Free Antivirus from the Avast Free Antivirus column.

Avast Repair

When Avast fails to open or function properly, you can use the Avast Setup wizard to repair it.

Repairing Avast will fix or replace any missing, outdated, or corrupted program files, as well as reset the software configuration.

1. Close any running apps or antivirus programs, then right-click Start > Apps & Features.

2. In the Apps & Features screen, select your Avast version from the left panel, then Uninstall, then Uninstall again to confirm.

3. In the Avast Setup wizard, choose Repair.

4. To confirm the repair, select Yes. When the process is finished, select Done or, if prompted, Restart the computer.

Avast Antivirus Service Restart

When Avast fails to start, it’s possible that the Avast Antivirus service is preventing the program from properly starting. You can try restarting the service to see if it fixes the issue.

1. Start > Run by right-clicking the Start button.

2. In the Run dialogue box, type services.msc and press Enter.

3. In the Services window, locate the Avast Antivirus service, right-click it, and select Properties.

4. If the status of the service says Started, select Stop to stop it from running.

5. Select Automatic as the Startup type and confirm the dialogue box that appears.

6. To reactivate the Avast service, select Start again.

Avast Reinstall

If the problem persists, uninstall Avast Antivirus with the Avast Uninstall Utility, which completely removes all Avast files from your PC while Windows is in Safe Mode.

1. Close any apps or antivirus programs that are currently running on your computer, and then run the Avast Uninstall Utility tool.

2. Select Run as administrator from the context menu when you right-click the Avast Uninstall Utility file you just downloaded.

3. If the Avast Antivirus Clear dialogue asks you to restart in Safe Mode, choose Yes.

4. Select Uninstall after selecting the location of the Avast program files and the product edition to uninstall.

5. To complete the uninstallation, select Restart Computer once the removal process is complete.

6. Reinstall Avast and try to open the program on your PC once more.

List Of Avast UI Failed to Load Fixes

  1. Restart Avast Antivirus Service
  2. Remove and Reinstall Avast
  3. Update or Repair Avast
  4. Restart Remote Desktop Services

Restart Avast Antivirus Service

Avast also runs a background service to control how the antivirus program and its Core Shields work on your computer. The Avast installer configures the service to start and run automatically by default. However, you must double-check and make any necessary adjustments to meet the instructions outlined below.

In Windows 10, open the Services console.

  1. Look for the Avast Antivirus service. Then pick Properties from the context menu by right-clicking.
  2. Make sure the Startup type is Automatic under the General tab. If the state of the service is Stopped, click the Start button to restart it.
  3. Shut down and restart your computer.
  4. Try launching the Avast Antivirus user interface.

Remove and Reinstall Avast

If updating or fixing Avast Antivirus didn’t solve the problem, you’ll need to reinstall it to address the underlying issues that cause the UI to crash. However, before you do so, you must delete all traces of the software. The Avast Uninstall Utility should be able to assist you with this.

  1. Run the Avast Uninstall Utility after downloading it.
  2. To start Windows 10 in Safe Mode, select Yes.
  3. To confirm, select Yes once more. Your machine should restart in Safe Mode and load the operating system. Soon after, the Avast Uninstall Utility should launch automatically.
  4. Select the Avast product and installation directory.
  5. Uninstall is the option to choose.
  6. To restart Windows 10 normally, select Restart computer.
  7. To reinstall the anti-malware tool on your computer, download the Avast installer and run it. If you have a paid version of Avast, you must sign in to re-authenticate the program.

Update or Repair Avast

If the preceding methods don’t work, you’ll need to upgrade or repair Avast Antivirus. That should resolve any known problems or corrupted files at the root of the problem.

  1. Select Apps and Features by pressing Windows+X.
  2. Locate and pick the problematic Avast Antivirus program on your PC. Then choose Uninstall.
  3. To update the program, select Update and follow the on-screen instructions.
  4. Reboot your computer and open the Avast user interface.

Restart Remote Desktop Services

For Avast Antivirus to work in Windows 10, it needs Remote Desktop Services. If the Avast UI does not appear, you must adjust the default behavior of Remote Desktop Services.

  1. To open the Services console, press Windows+S, type services, and pick Open.
  2. Locate the Remote Desktop Services service by scrolling down. Then pick Properties from the context menu by right-clicking.
  3. Change the Startup type to Automatic in the General tab. Then select Start to change the status of the service to Running.
  4. Shut down and restart your computer.
  5. From the system tray or the Start menu, open the Avast UI.
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