We recommend using the Avast Uninstall Tool to completely remove Avast Free Antivirus from your PC if uninstallation via the Start menu did not work or you see the setup is already running message. The Avast Uninstall Tool deletes all Avast Free Antivirus files from your PC while Windows runs in Safe Mode.
Uninstall via Uninstall Tool
After you complete the steps below, your PC will no longer be protected by Avast Free Antivirus against malware and other threats.
- Click the button below to download the Avast Uninstall Tool and save it to a familiar location on your PC (by default, downloaded files are saved to your Downloads folder). Download the Avast Uninstall Tool
For old versions of Avast Free Antivirus that are no longer supported, download one of the following files:
- For Avast Free Antivirus version 18.8 (Windows XP compatible): Avast Uninstall Tool (Windows XP).
- For Avast Free Antivirus installed on computers based on old processors without SSE2 support: Avast Uninstall Tool (non-SSE2).
- Right-click the downloaded file
avastclear.exe, and select Run as administrator from the context menu.
If you are unable to authorize installation of the Avast Uninstall Tool, refer to the following article for advice: Managing administrative accounts on your Windows PC. - If prompted for permission by the User Account Control dialog, click Yes.
- Click Yes when the Avast Antivirus Clear dialog prompts you to restart Windows in Safe Mode. Then, click Yes again to immediately restart your PC in Safe Mode.
To manually start Windows in Safe Mode, follow the Microsoft Support article according to your version of Windows:
- When Windows restarts in Safe Mode, select the location of the Avast Free Antivirus program files. The default installation location is selected automatically. You only need to make adjustments if you changed the default installation when you installed the app.
- Select Avast Free Antivirus in the drop-down menu. Then, click Uninstall.
- Wait while the Avast Uninstall Tool removes all Avast Free Antivirus files from your PC.
- Click Restart computer to immediately reboot your PC and complete uninstallation.
Avast Free Antivirus is now uninstalled from your PC.
Reinstall Avast Free Antivirus
If you need to reinstall Avast Free Antivirus, refer to the following article for installation instructions:
We recommend using the Avast Uninstall Tool to completely remove Avast Premium Security from your PC if uninstallation via the Start menu did not work or you see the setup is already running message. The Avast Uninstall Tool deletes all Avast Premium Security files from your PC while Windows runs in Safe Mode.
If you have a paid Avast Premium Security subscription, uninstalling the application does not automatically cancel your subscription. For information about canceling your subscription, refer to the following article: Canceling an Avast subscription - FAQs.
Uninstall via Uninstall Tool
After you complete the steps below, your PC will no longer be protected by Avast Premium Security against malware and other threats.
- Click the button below to download the Avast Uninstall Tool and save it to a familiar location on your PC (by default, downloaded files are saved to your Downloads folder). Download the Avast Uninstall Tool
For old versions of Avast Antivirus that are no longer supported, download one of the following files:
- For Avast Antivirus version 18.8 (Windows XP compatible): Avast Uninstall Tool (Windows XP).
- For Avast Antivirus installed on computers based on old processors without SSE2 support: Avast Uninstall Tool (non-SSE2).
- Right-click the downloaded file
avastclear.exe, and select Run as administrator from the context menu.
If you are unable to authorize installation of the Avast Uninstall Tool, refer to the following article for advice: Managing administrative accounts on your Windows PC. - If prompted for permission by the User Account Control dialog, click Yes.
- Click Yes when the Avast Antivirus Clear dialog prompts you to restart Windows in Safe Mode. Then, click Yes again to immediately restart your PC in Safe Mode.
To manually start Windows in Safe Mode, follow the Microsoft Support article according to your version of Windows:
- When Windows restarts in Safe Mode, select the location of the Avast Premium Security program files. You only need to make adjustments if you changed the default installation when you installed the app.
- Select Avast Premium Security in the drop-down menu. Then, click Uninstall.
- Wait while the Avast Uninstall Tool removes all Avast Premium Security files from your PC.
- Click Restart computer to immediately reboot your PC and complete uninstallation.
Avast Premium Security is now uninstalled from your PC.
Reinstall Avast Premium Security
If you need to reinstall Avast Premium Security, refer to the following article for installation instructions:
We recommend using the Avast Uninstall Tool to completely remove Avast One from your PC if uninstallation via the Start menu did not work or you see the setup is already running message. The Avast Uninstall Tool deletes all Avast One files from your PC while Windows runs in Safe Mode.
If you have a paid Avast One subscription, uninstalling the application does not automatically cancel your subscription. For information about canceling your subscription, refer to the following article: Canceling an Avast subscription - FAQs.
Uninstall via Uninstall Tool
After you complete the steps below, your PC will no longer be protected by Avast One against malware and other threats.
- Click the button below to download the Avast Uninstall Tool and save it to a familiar location on your PC (by default, downloaded files are saved to your Downloads folder). Download the Avast Uninstall Tool
- Right-click the downloaded file
avastclear.exe, and select Run as administrator from the context menu.
If you are unable to authorize installation of the Avast Uninstall Tool, refer to the following article for advice: Managing administrative accounts on your Windows PC. - If prompted for permission by the User Account Control dialog, click Yes.
- Click Yes when the Avast Antivirus Clear dialog prompts you to restart Windows in Safe Mode. Then, click Yes again to immediately restart your PC in Safe Mode.
To manually start Windows in Safe Mode, follow the Microsoft Support article according to your version of Windows:
- When Windows restarts in Safe Mode, select the location of the Avast One program files. You only need to make adjustments if you changed the default installation when you installed the app.
- Select Avast One in the drop-down menu. Then, click Uninstall.
- Wait while the Avast Uninstall Tool removes all Avast One files from your PC.
- Click Restart computer to immediately reboot your PC and complete uninstallation.
Avast One is now uninstalled from your PC.
Reinstall Avast One
If you need to reinstall Avast One, refer to the following article for installation instructions:
We recommend using the Avast Uninstall Tool to remove Avast Secure Browser from your PC if uninstallation via the Start menu did not work or you see the setup is already running message.
If you have a paid Avast Secure Browser subscription, uninstalling the browser does not automatically cancel your subscription. For information about canceling your subscription, refer to the following article: Canceling an Avast subscription - FAQs.
Uninstall via Uninstall Tool
After you complete the steps below, your PC will no longer be protected by Avast Secure Browser against malware and other threats.
- Click the button below to download the Avast Uninstall Tool and save it to a familiar location on your PC (by default, downloaded files are saved to your Downloads folder). Download the Avast Uninstall Tool
- Right-click the downloaded file
avast_secure_browser_uninstall.exe, and select Run as administrator from the context menu.
If you are unable to authorize installation of Avast Uninstall Tool, refer to the following article for advice: Managing administrative accounts on your Windows PC. - If prompted for permission by the User Account Control dialog, click Yes.
- Optionally, tick the box next to Also delete your browsing data to delete your profile information, such as bookmarks and history. Then click Uninstall to continue.
- Wait while the Avast Uninstall Tool removes Avast Secure Browser from your PC.
Avast Secure Browser is now uninstalled from your PC.
Reinstall Avast Secure Browser
If you need to reinstall Avast Secure Browser, refer to the following article for installation instructions:
- Avast Free Antivirus 24.x for Windows
- Avast Premium Security 24.x for Windows
- Avast One 24.x for Windows
- Avast Secure Browser 128.x for Windows
- Microsoft Windows 11 Home / Pro / Enterprise / Education
- Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
- Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1 with Convenient Rollup Update, 32 / 64-bit
Updated on: 6/2/22
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