How to Reinstall Avast


Avast is a company that produces antivirus software. There are multiple versions of the software ranging from free to various paid options. Avast Free Antivirus is the free version. It can only be installed for home use. Avast Pro Antivirus is customizable and provides virtualization technology. Avast Internet Security is the highest tier. It includes software that blocks SPAM and protects data and identity information. Avast recommends this version for business use. Reinstalling Avast becomes necessary when the software becomes corrupted or stops working.


  • Download the uninstaller software, "aswclear.exe," from the Avast website.

  • Restart the and holding down F8 during the boot process to start the computer in Safe Mode.

  • Double-click the "aswclear.exe" on your desktop.

  • Browse to the folder that Avast was installed to in Windows Explorer.

  • Click "Remove" and restart the computer.


  • Download the Avast installer from the Avast website.

  • Double-click on the installer and accept the terms of the license agreement.

  • Check the boxes for features you would like to download with Avast. Some of the options include installing the Google Toolbar, Google Chrome Web browser, and receiving email updates. Click "Next" after each step.

  • Restart the computer when the installer finishes installing Avast on your computer.

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