How To Fix Avast Error Code 4?

Avast Error Code 4

Avast users often report that they are facing ‘Avast error code 4’ while booting the computer. Sometimes, this error also may arise while scanning the system files.

This technical glitch occurs due to confliction between Avast and other security programs that are installed on the system. There are several other causes associated with this error.

If you are also stuck with the same error, then you need effective hacks to get rid of this error.

What Causes the Avast Error Code 4

Furthermore, if you are using an outdated version of Avast antivirus, then there is a chance that you might encounter this error. Another reason may the corrupted system files of the computer. 

Due to the incorrect installation of the Avast security program or if you interrupt the installation process, then you also may encounter this error. Whatever be the reason, you need to fix the glitch at the earliest.

5 Easy Hacks to Solve the Avast Error Code 4

Here, we are about to discuss the easiest solutions through which you can eradicate the Avast business boot scan error code 4 easily. You can perform the troubleshooting hacks described below: 

Fix 1: Update the Avast Security Program

We mentioned earlier, that this error code can occur due to an outdated version of Avast antivirus. Hence, try to download and install the latest version. To proceed, follow the steps as follows:

  1. First, go to the System tray and right-click on the Avast icon. 
  2. Next, choose the ‘Avast user interface’ from the list of options. 
  3. Afterward, click on the ‘Settings’ option.
  4. Go to the left pane of the screen and tap on the Update button. 
  5. Lastly, choose the particular option depending on your specific requirements. 

Wait for a few seconds until the updating process is completed. Afterward, restart the system to apply the changes and check if the error is fixed. 

Fix 2: Reinstall the Avast Security Program

You can solve this error easily by reinstalling the Avast security program. To do this, you can take a glance at the steps stated below: 

  • In the beginning, go to the Start menu and open the Control Panel. 
  • Afterward, go to the ‘Uninstall a program’ section. 
  • Now, search for the Avast security program by scrolling down the list of options and right-click on that. 
  • Next, select the ‘Uninstall’ option from the list. 
  • Confirm your action by clicking on the Yes button. 

Once the uninstallation process completes, restart the computer to apply the changes. Afterward, visit the official website Avast and search for the latest version of Avast. Download and install that on your computer. Now, you can check if the error is fixed. 

Fix 3: Run SFC or System File Checker

SFC is an in-built tool of Windows Operating System that helps the users to scan the entire system for any corrupted system files. It also has the ability to repair the corrupted system files.

How to Run System File Checker? 

To run the SFC tool, first, go to the Start menu and type “cmd” in the search bar. After that, right-click on the ‘Command Prompt’ option. Then, select ‘Run as Administrator’ option from the list. 

As a result, it will open the Command Prompt window with the admin privilege. Type the command “sfc /scannow” under the Command Prompt window. Then, hit the Enter key from the keyboard to run the command. 

Wait for a few times until the scanning process is complete. If the System File Checker detects any corrupted system files, then it will repair that automatically. After completing the entire process restart the computer and check if the error is fixed.

Fix 4: Run the Computer in Safe Mode and Restart the System

According to some users, they have solved the Avast error also marked as scan error code 4 by running the system in Safe Mode. Here’s how to do this: 

  1. First, navigate to the Start menu and type “msconfig” in the search bar. 
  2. Press the Enter key from the keyboard to proceed. 
  3. Afterward, tap on the Boot button and then choose the ‘Safe Boot’ option. 

Now, restart the system and check if the issue is fixed. Else, you can move on to the further ways stated below. 

Fix 5: Update the Windows OS

You can also solve this error by updating the OS to its latest version. To update the Operating System, you can take a quick glance at the steps stated below:

  • First, go to the Start menu and click on the Settings (gear-shaped) icon. 
  • Afterward, navigate to the ‘Update and Security’ category. 
  • Next, tap on the ‘Check for Windows update’ option. 
  • Now, it will start to search for the latest updates. Once it finds that, download that and install it properly. 
  • Wait for a few seconds until the updating process completes properly. 
  • Lastly, restart the computer and check if the error is resolved. 

After performing all the above ways, if you still face the same error, then you have to remove all the third-party security tools that are installed on the system. This will help you to resolve the error and will run the system as expected.