How To Reinstall Avast Antivirus – Avast Mobile Security for Android is a comprehensive security application that protects Android devices from phishing, malware, spyware and dangerous viruses such as Trojans. In addition, the Anti-Theft feature allows you to locate, track and remotely control your device if it is lost or stolen.
Avast Mobile Security for iOS is a comprehensive security app that keeps you safe online by scanning your Wi-Fi network for vulnerabilities. Additionally, the Identity Protection feature notifies you if a password linked to your email address has been leaked online.
How To Reinstall Avast Antivirus
Avast Mobile Security is available as a free and paid product. This article explains how to install the free version of the app, then eventually upgrade to Avast Mobile Security Premium.
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You can purchase an Avast Mobile Security Premium subscription by tapping Upgrade in the top right corner of the app’s main screen. Follow the on-screen instructions to complete your purchase through the Google Play Store.
Your paid subscription is automatically activated. If you purchased Avast Mobile Security Premium through another sales channel, you must activate your subscription manually. For detailed activation instructions, see the article below:
You can purchase an Avast Mobile Security Premium subscription by tapping Upgrade in the top right corner of the app’s main screen. Follow the on-screen instructions to complete your purchase through the App Store. It is recommended to check that the application is installed, activated, updated and protects your PC before taking further troubleshooting steps. See the appropriate section below according to your problem:
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If your version of Avast Antivirus does not appear in the list of programs and features, the application is not installed on your PC.
To install your preferred version of Avast Antivirus, see the corresponding articles: Installing Avast Premium Security or Installing Avast Free Antivirus.
If your subscription is inactive, you can activate it by following the instructions in the article below:
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Avast Free Antivirus is activated automatically after installation. However, after 12 months, the application may ask you to renew the activation. To continue using Avast Free Antivirus, see the following article: Activate Avast Free Antivirus.
To ensure you are fully protected, keep Avast Antivirus updated at all times. If you are not sure whether to use the latest version of the application or the latest definition of your virus, see the article below:
When troubleshooting problems with Avast, you may be asked to provide information about the program version and Virus definitions. To get the information you need:
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Other options (three points) ▸ View all issues. Then, choose an action for each problem using the appropriate drop-down menu.
If the steps in the section above do not solve your problem, we recommend completely uninstalling and reinstalling the app. For installation instructions for macOS and Linux, see Install Antivirus on macOS and Install Avast Business Antivirus for Linux.
For Essential/Premium/Ultimate Business Security, click the Business tab and select the online or offline installer for the version of Antivirus you have. The offline installer is usually only needed for devices on isolated/slow/limited networks, the online installer will download all necessary files during installation.
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If you choose the online installer, other services will be downloaded while installing the Antivirus agent. This option is not recommended if you install the antivirus on several devices at the same time, because each machine will contact the Avast servers individually to download other services.
After the installer for the desired version of Antivirus is executed, you can choose to install with standard components or customize:
In some cases, you may need to perform the installation on a device in an isolated/offline network. To ensure that the device is configured correctly, see Configuring Antivirus for Remote Networks.
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After installing the Antivirus on your device, make sure to activate your subscription according to the information in Activating the subscription.
Note that not all components (such as Firewall) appear in the first summary of the installation, but only after activating the subscription. The setup will run with the minimum components first, and you can add extras after activating the subscription.
To be able to select all the components, you need to run the installation with the license file. In this case, the installation customization screen will include the following options:
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You can install Essential/Premium/Ultimate Business Security as a login script, as long as you change the file location to reflect the location and name of the installation file on your network (
If you don’t know how to use login scripts with your domain, search the Microsoft site for your domain controller’s operating system and how to use login scripts. This article details how to use login scripts.
The following script checks the bccinfo.dat file and, if it exists, will cancel the installation to prevent a reinstall every time the device logs into the network. Is the antivirus program one of the first applications installed on a new computer? There are many free and paid security programs available on the Internet. Avast Free Antivirus is liked by many. Avast protects your computer from malicious attacks and protects your personal information. The paid version kicks security up a notch and includes additional features to scan the websites you visit and emails sent to you.
Is Avast Antivirus Safe?
Windows Defender is a security program built into newer versions of Windows. It has proven to be sufficient for most users, and prompts them to uninstall other third-party security programs. Uninstalling third-party antivirus programs is not that easy. Most security programs include features such as Self-Defense to prevent malicious applications from deleting without notifying the user. Unfortunately, this means that users cannot get rid of the app by uninstalling it through Windows Settings or Programs and Features. However, they should take some additional steps first (or later) to clean the computer from antivirus and related files. In the case of Avast, if you don’t install it properly, you may keep getting annoying pop-ups asking for updates and sometimes threat warnings.
In this blog, you will find five ways to remove Avast Free Antivirus from your Windows 10 computer.
Now, if you have installed Avast and are looking for a way to remove its residual files, skip to method 3, 4 and 5. Alternatively, follow method 1 or 2 to start the safe procedure for Avast.
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If the malware tries to uninstall Avast, the Self-Defense module displays a pop-up informing the user that an uninstall attempt has been made. The uninstall process will only start if the user clicks the Yes button. To remove Avast completely, you need to disable Self-Defense in Avast settings, then proceed to uninstall.
Restart after uninstalling Avast. But if you are in the middle of some critical work, continue after doing the project.
Avast Clear is an Avast uninstall utility to remove apps from your Windows 10 PC. Order all work immediately before using Avast Clear, because you need to boot the system in safe mode. When using Avastclear, you may encounter a “Self-defense module prevents installation” pop-up. Follow steps 1 to 5 of the method above to disable the Self-Defense module and perform a full uninstall.
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During uninstallation, Avast Antivirus temporarily installs Avast OS. The OS is set up to support the deletion of associated files. After the file is deleted, Avast OS does not uninstall. The OS deletes the rest of the Avast files. It will be set as the computer’s default OS. So, it is not automatically removed/deleted. Reselect Windows as the default OS, then manually uninstall Avast OS to stop receiving Avast pop-ups.
Some removal tools for Windows are CCleaner and Revo Uninstaller. ESET AV Remover is a removal tool designed to remove antivirus programs and can remove all available security programs. In this case, use ESET AV Remover to completely uninstall Avast antivirus on Windows 10.
Check the list of Programs and Features to verify that there is no Avast program on your PC. You can remove ESET AV Remover.
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None of the above mentioned methods get rid of Avast pop-ups? It’s time to delete all Avast files manually. All antivirus files can only be removed/deleted by a trusted installer.
For all the files and folders you want to delete, repeat these steps. Some Avast files can be found in %windir%WinSxS and %windir%WinSxSManifests. Also change the property and delete it. Be careful which files you delete, as trusted installation files should not be tampered with.
You don’t need to worry if you can’t install and uninstall Avast Antivirus; you can get computer services from QuickTech. Expert computer technicians can provide computer support and computer help. We and our partners use cookies to store and/or access information on your device. We and our partners use the data for personalized ads and content, ad and content measurement, audience insights and product development. Examples of processed data may be unique identifiers stored in cookies. Some partners may process your data as part of their legitimate business interests without asking
