Resolve Avast Activation Code Error 305

Avast Activation Code Error 305

The Avast antivirus software is used by more number of people around the world. Sometimes you may face Avast activation code error 305 while activating Avast on your device. The error may occur while you try to install and activate Avast using a license file.

Fix The 305 Error On A Windows Computer

  • Sometimes, the error might occur due to viruses present on your computer.
  • Run a full system scan using the Windows Defender antivirus software and remove any threats present on your computer.
  • Make sure that you have the correct license file to activate the software.
  • Go to the official Avast website and log in to your account.
  • You can now copy the license file and activate the software.
  • Locate the Avast icon on the system tray, right-click on the icon, and select Subscription Information.
  • Now, select the Enter a valid activation code option.
  • Make sure to enter the activation code in the box provided for it without any errors.
  • Once you have entered the license code, tap the Enter key.
  • You can now verify your subscription details and click on the Continue button.
  • Check whether the activation has been done successfully. If the issue persists, reinstall the Avast antivirus software.
  • Open Control panel on your computer and go to the Programs section.
  • Select the Uninstall a program link.
  • Select the Avast antivirus software and click on the Uninstall button.
  • Now, download the latest version of Avast antivirus software from the official Avast website.
  • Run the installer file as an admin user.
  • Click Yes when the User Account Control window appears.
  • Complete the installation of Avast antivirus software by following the on-screen instructions.
  • Now, check whether the issue is resolved. If the Avast activation code error 305 occurs again, update the drivers on your computer to fix the problem.


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