How To Fix Avast Antivirus Error 42011

Avast Antivirus Error 42011

Avast antivirus is one of the most sought protection software present in the computing world. There are times when the user might face some technical glitches running the antivirus. Thus, it leads to the Avast antivirus error 42011. This error code stops all the programs on your computer and even stops you from operating the system.

You will encounter the antivirus error 42011 when there is a corrupted or damaged Avast setup file. In this case, you can fix the Avast antivirus itself.

In this article, you will see the best possible solutions to get rid of the error 42011. Here we go.

Method 1: Fix Avast Antivirus

If you feel like there are certain features and applications that are not working in Avast antivirus, it is highly suggested to repair the Avast installation using the Avast Setup wizard. The repair process will resolve the antivirus error code in no time and will fix or replace the files that might be outdated, corrupted, or missing in any way. Repairing Avast is the best solution to fix the issue.

  • Step 1:Make sure your computer is turned on.
  • Step 2:Click the Windows icon on the desktop screen.
  • Step 3:When a list opens, locate and click the Apps & Features option.
Avast Antivirus Error 42011
  • Step 4:The Apps & Features window will open.
  • Step 5:Under Apps & Features, scroll down the list of applications stored on your computer.
  • Step 6:Locate and click the Avast antivirus application.
  • Step 7:Click the Uninstall button.
Avast Antivirus Error 42011
  • Step 8:Click the Yes button in the permission pop-up window.
  • Step 9:The Avast Setup Wizard window will open.
  • Step 10:Click the REPAIR button on the dashboard.
Avast Antivirus Error 42011
  • Step 11:When Avast asks for authorization, click the Yes button.
  • Step 12:The Avast antivirus will now go through the repair process.
  • Step 13:Once the repair process is complete, click the DONE button.
Avast Antivirus Error 42011

Method 2: Update Your Windows

  • Step 1:Open the Settings window (Windows + I).
  • Step 2:On the left side, click the Update & Settings option.
  • Step 3:Go to the Windows Update section.
Avast Antivirus Error 42011
  • Step 4:Click the Check for updates button on the screen.

Method 3: Perform A Disk Cleanup

Having unwanted applications and cache files on your computer can be the reason behind the Avast antivirus error 42011. Do a disk cleanup to remove the junk files. Follow the steps.

  • Step 1:Click the Windows (Start) icon.
  • Step 2:Enter the words 'Disk Cleanup' in the search bar; press the Enter button.
  • Step 3:You can select the drive and then have the option to select the files you want to get rid of.
  • Step 4:Click the Clean up system files button.
  • Step 5:Click Delete Files.
Avast Antivirus Error 42011

Method 4: Perform An Antivirus Scan On Your Computer

  • Step 1:Restart the computer.
  • Step 2:Open the Avast antivirus application.
  • Step 3:When Avast Premium Security opens, click the Protection tab.
Avast Antivirus Error 42011
  • Step 4:Under Virus Scans, click the RUN SMART SCAN button.
Avast Antivirus Error 42011
  • Step 5:Wait for Avast to find the malicious program. Get rid of the error once and for all.
  • Step 6:Restart your computer.
  • Step 7:You will no longer face Avast error 42011.

Method 5: Close Programs That Cause Conflict With Avast

Always make sure to get rid of the applications running in the background.

  • Step 1:Press the Ctrl + Alt + Del buttons at the same time.
  • Step 2:You will see a screen open with different options.
  • Step 3:Click the Task Manager option.
  • Step 4:The Task Manager window will open.
  • Step 5:Select the applications one by one and click the End Task button.
Avast Antivirus Error 42011

Method 6: Uninstall Applications

  • Step 1:Open the Settings window.
  • Step 2:Under Apps, click the Uninstall a Program button.
Avast Antivirus Error 42011
  • Step 3:Select the program you want to uninstall.
  • Step 4:Do a right-click on the program and click the Uninstall button.
Avast Antivirus Error 42011

Follow the methods as mentioned on this page, you will no longer encounter the Avast antivirus error 42011.