Fix Avast Error 42125 With These Simple Solutions

Avast is a popular antivirus software provider. It is renowned all over the world for its excellent performance and advanced set of security features.

There has been an increased number of malware and spyware attacks, as reported by PC users. So, it has now become crucial for everyone to use an antivirus to protect their system. To safeguard their data from hackers and cybercriminals, a majority of users rely on Avast Antivirus.

Although this program comes with several cutting-edge features to secure your system, it is not necessarily free from errors and glitches. One of the common errors that Avast users have reported is error 42125.

In this post, we are going to discuss Avast error code 42125 and provide you with some amazing hacks to resolve it.

What Is Avast Error 42125?

Error 42125 is a common technical issue that users face in Avast antivirus software. When this error occurs, it crashes all the programs and applications that are running in the background.

Due to this issue, your system begins to slow down. You are constantly bombarded with error messages that pop up on your screen. Your device screen might freeze or go entirely blank at times because of the error code 42125.

What Causes Avast Error 42125?

The first step towards solving this Avast issue is to determine the causes behind it. Once you know the root of the problem, it becomes easy to fix it. In this section, we will learn about the possible reasons that can cause error 42125 in Avast.

Malware attack

Attacks by a virus or malware can often trigger this error on Avast. Therefore, make sure that your system is free from any kind of malicious content.

Junk files

The presence of unnecessary junk files can be one of the primary reasons to cause error 42145. These junk files not only cause unwanted errors but, they can also obstruct the proper functioning of your system.

Corruption in the Registry files

If by any chance the Windows registry of your system is damaged or corrupted by any changes made recently in your Avast software then it might lead to error 42125 in the future.

Outdated Drivers

Apart from the above-mentioned factors, Avast error can also be triggered in case the drivers of your system are not updated from time to time.

How To Resolve Avast Error 42125?

Avast error 42125 is a common issue that occurs quite unexpectedly. If you are also facing this error with Avast, you need not panic. You will simply have to follow the solutions that we are going to discuss. Here’s a list of quick fixes for you:

Begin a Malware Scan on Your PC

Malware attack is one of the many factors that can cause error 8015402b on Avast. Therefore, you need to initiate a complete scan on your PC to detect as well as remove any malicious component. It can exist in the form of third-party applications on your PC.  

Clean up Junk files Using Disk Clean Up

Useless junk files often get accumulated in your system. These files can often, disrupt the day to day functioning of your system. They can lead to file conflicts and overloading the hard disk. It can also cause error 42125 on your Avast application.

It is, therefore crucial to periodically remove these unwanted files from your system. Follow these steps to remove junk files from your PC:

  • First, you need to click on the Start button. Now, type in ‘Command’ in the space of the search box.
  • Click the ‘Ctrl’, ‘Shift’ and ‘Enter’ key together. When asked for permission press the Yes key.
  • Inside the opened window type ‘regedit’ and click ‘Enter’. Now the Disk Cleanup will start functioning.
  • When you are asked to select the files that you want to delete, choose “Temporary Files”.
  • Select the categories where you wish to delete the junk files from. Finally, click OK to confirm the deletion.

Update the Device Drivers

Sometimes, an outdated driver can be the reason behind this error. To get rid of this Avast issue, you need to periodically update the drivers of your device. Although driver updates for Windows take place automatically. But, in case there is any trouble with the updating process, you might have to update them manually.

Follow these steps if you need to update the device drivers manually:

  • Click on the Start option.
  • Then in the search box type Device Manager.
  • Now from the list select your device. Right-click on it and then select Update Driver.
  • Finally, choose Search Automatically to manually update the device drivers.

Rectify the Corrupted Registry

Manually editing the entries on your registry is a risky job. Yet, if it is done carefully and correctly, you can eliminate error 42125 from Avast Antivirus. 

Before you proceed with this solution, you need to make sure that you create a backup of the registry that contains Avast-related files. If you are unaware of the steps, follow Internet resources or contact an antivirus technician.

Use Windows System File Checker (sfc/sannow)

Windows System File checker is an important tool offered to Windows users. It enables you to scan and restore any corrupted and damaged Windows system files. If you want to get rid of error 42125, then you can run this application. Follow these instructions to use the System File checker :

Click on the Start button. Inside the search box type ‘Command’. Now, press Ctrl and Shift key together. Hold it and press the Enter button.

Click ‘Yes’ to provide permission to the dialog box that appears on the screen. After this, a black screen will appear. This is the Command Prompt window.

Here, type in ‘sfc/scannow’. The System Checker will immediately begin to scan for all the errors in your device. Carefully, follow all the instructions that you will get on the screen to detect issues causing 42125 and fix them.

The solutions that we have provided in this article has helped many Avast Antivirus users to overcome this specific error. So, if you are facing Avast error code 42125, then you can try these easy hacks. Do let us know your feedback about the troubleshooting methods in the comment section.