How To Fix Avast Antivirus Error 0x80046401?

The Error code 0x80046401 happens when the Avast Free Antivirus fails to run, or it crashes while running a scan. The Avast antivirus error does not mean it is corrupt in some way; it just does not work during run time. This can become an annoying notification on your screen if not handled with utmost care.

Symptoms causing the Avast Antivirus error 0x80046401 code

  • Step 1:The application crashes and also closes other applications running in the background.
  • Step 2:The error code is displayed.
  • Step 3:Windows becomes slow and responds slowly to external devices like mouse or keyboard.
  • Step 4:There is a constant lagging while operating applications.

These errors can happen without warning and can come up on your screen at any given time. Some other reasons behind the issue can be a virus infection, deletion of important files, etc. There are times when there is a sudden drop in Internet connectivity.

Error Information

Error name: Avast! Free Antivirus Error 0x80046401

Error number: Error 0x80046401

Description: The Avast! antivirus is off: Start.

Software: Avast! Free Antivirus

Developer: AVAST Software

In this article, we have mentioned some troubleshooting methods to fix the Avast Antivirus error code 0x80046401.

Method 1: Remove Or Uninstall Unwanted Applications

There can be applications that can cause conflict with the Avast antivirus application. The best solution is to uninstall unwanted programs or applications, so you won't encounter the error.

  • Step 1:Click the search bar on the screen.
  • Step 2:Type Settings and click Settings in the search result.
  • Step 3:The Settings window will open.
  • Step 4:Under Apps, click the Uninstall a Program button.
  • Step 5:Select the program you want to uninstall.
  • Step 6:Do a right-click on the program and click the Uninstall button.
windows settings
remove unwanted applications

Method 2: Run A System File Check (sfc Scan)

  • Step 1:Open the Run command (Windows + R)
  • Step 2:Type cmd in the Open field; press the Enter button.
  • Step 3:Do a right-click on the Command Prompt option and select Run as Administrator.
  • Step 4:Type sfc /scannow and press the Enter button.
  • Step 5:Wait for the computer to run the scan.
  • Step 6:Restart the computer.
  • Step 7:Now you will be resolved from the Avast antivirus error code 0x80046401.
command Prompt

Method 3: Close Background Applications

If you have many applications and utilities running in the background, there is a possibility that it can also be the reason behind the error code. The best way to know is to close all conflicting programs on your computer. Here are the steps to do so.

  • Step 1:Ensure that your system is turned on.
  • Step 2:Press the buttons Ctrl + Alt + Delete at the same time.
  • Step 3:You will see a blue screen appear with different options.
  • Step 4:Click the Task Manager option and wait for the window to open.
  • Step 5:Select the background applications one at a time you wish to close and click the End task button.
task Manager

Method 4: Update The Device Driver

  • Step 1:Make sure the computer is turned on.
  • Step 2:Do a right-click on the Windows icon, then select Device Manager.
  • Step 3:Select a category you want to update.
  • Step 4:Once done, do a right-click and select the Update driver option from the drop-down list.
  • Step 5:Click Search automatically for updated driver software.
  • Step 6:Select Update Driver.
  • Step 7:The process will take some time to complete.
device Manager

Follow the methods mentioned in this article. It will help you fix the Avast Antivirus error code 0x80046401.

If the issue persists, click the CALL button on this screen. Our technical team will assist you in resolving the error in no time.