Avast Activation Code Error 305

How to Fix Avast Activation Code Error 305?

Avast is an antivirus program used by most of the network users to secure their computers from malware attacks. You may also encounter errors while using the Avast antivirus. One such error is the Avast Activation code error 305.This error may occur when you try to activate your copy of the Avast antivirus software.

The steps to solve the activation code error 305 is given below.

Step 1: Retrieve License Copy

If you are trying to activate Avast antivirus software using a license file or an activation code, sometimes, the 305 activation code error may occur due to the license file itself. So, get a copy of your license from the Avast website. By downloading the license file from the Avast website, you can eliminate the possibility of the issue arising due to the license file.

Step 2: Activate your product.

  • After getting the license file, you have to activate your product using the activation code.
  • You can find the activation code for your product from different locations like your email in which you received a confirmation for purchasing the product, the activation card. 
  • Now, right-click on the Avast icon from the system tray on your computer.
  • Select the Subscription Information option from the list.
  • In the My Subscriptions window that opens, click the Enter a valid activation code option.
  • Now, you have to enter your activation code in the text box. Carefully enter the activation code without any errors.
  • Then, click the Enter button.
  • In the next window, you can verify your subscription details.
  • Click the Continue button.

If you still see the Activation Code error 305, then proceed to Step 3.

Avast Activation Code Error 305

Step 3: Reinstall Avast Antivirus

You can uninstall the Avast antivirus on your computer either using the Avast Uninstall Utility or the Control Panel on Windows computer.

To uninstall Avast Antivirus software on your Windows computer using Control Panel, follow the below instructions.

  • On your Windows computer, click the Start menu and select the Control Panel option.
  • Then, under the Programs option, click on the Uninstall a program option.
  • This will list all the applications installed on your Windows computer.
  • From the list, click and select the Avast antivirus.
  • Click the Uninstall button.
  • Carry out the on-screen instructions to complete the uninstallation.
  • Once you complete the uninstallation, restart your Windows computer.
  • Now you have to install Avast antivirus on your Windows computer. To do this, carry out the below instructions.
  • On your computer, download the Avast antivirus installation software setup file.
  • Right-click on the setup file and select the 'Run as Administrator' option.
  • If the User Account Control prompts you for permission, then click the Yes option.
  • In the Installation setup window, click the Install button to initiate the installation.
  • The installation process will consume some time to complete.
  • Now, click the Get Started button. Click the 'I Agree' button.
  • In the next window, click the Activate button and enter the activation code that you have received while you purchased Avast antivirus software.
  • Finally, click the 'Run First Scan' button.

If the methods specified above did not work, then try the alternative solutions given below for Avast Activation Code Error 305.

Solution 1:

Your system might have been corrupted with the virus, which is not allowing the activation process. So try to scan your computer with the in-built Windows Defender.

Solution 2:

In some cases, if the drivers on your computer are not updated, then it may trigger such errors in your antivirus program. So check your Device Manager for updates and update all those drivers.

Solution 3:

If your computer has another antivirus software running, then that would block Avast antivirus. So, uninstall the other antivirus and then try to activate your Avast antivirus.