One of the major issues with Windows OS that Microsoft couldn’t even resolve with Windows 10 is security.

As we all know, Windows 10 is still vulnerable to viruses, malware, spyware, and all sorts of unwanted harmful programs.

Thankfully, feature-rich antivirus software like Avast helps users to safeguard their PCs against viruses.

Recently many Avast Antivirus users have been getting an error after updates from windows or avast antivirus that says: ‘UI Failed to load. This is really embarrassing. AV Service is not responding.’

Additionally, the error dialog offers ‘Exit’ and ‘Restart Service’ buttons.

If you have encountered a similar problem and have been scratching your head to fix it, then this article will definitely help you.

ALSO READ: Best Free Antivirus for Android smartphones

What Does It Mean When Avast Say UI Failed To Load?

The name says it all; Avast Antivirus UI Failed To Load error refers to some issues in Windows Services configuration due to which Avast couldn’t start properly.

The users of AVG Antivirus have reported a similar error.

Why Does Avast Say UI Failed To Load?

The UI Failed to load error in Avast is triggered by an incorrect Windows Services configuration. A majority of users started facing this error after the Windows 10 April 2018 Update.

How To Fix UI Failed To Load Error On Avast?

You can follow these simple steps to fix the UI Failed to load error in Avast,

  • STEP 1: Firstly open the Run Dialog by using the keyboard shortcut Windows+R.
  • STEP 2: Next up type services.msc and press the Enter button.
  • STEP 3: In the Services Console, locate ‘Remote Desktop Services’.
  • STEP 4: Lastly, double click and set its Startup Type to ‘Automatic’ and ensure service is Running.

After following the fix mentioned above, restart your computer and launch Avast. Hopefully, you won’t see the Avast Antivirus Failed to load UI error again.

How To Fix Avast Antivirus UI Failed To Load Error?

The fix mentioned above may have solved the Avast error on your system. However, if the error persists, then you should resort to the repair method.



  • STEP 1: Visit Control Panel > Settings > Programs > Programs and Features.
  • STEP 2: Select Avast, click on the Uninstall/Change button.
  • STEP 3: Next up click Change and choose Repair.
  • STEP 4: Lastly, wait for Avast software to repair the program and make the necessary changes.

Once the repair process is completed, restart your computer. It is worth noting that, Avast Software has officially fixed the failed to load UI error in the latest versions of the program.

Avast: Best Antivirus Software

Avast is one of the most feature-rich cross-platform internet security application that offers protection against all sorts of viruses and malware.

Avast Antivirus is available for Windows, macOS, Android, and iOS.

Avast Free Antivirus

In addition to Avast Pro Antivirus, Avast Software also offers a free version of the program.

Some of the major highlights of Avast are SafeZone Browser, Secure DNS, Sandbox, WiFi Security Scanner, and Password Manager.

Also Read- Best Free Antivirus Software For Windows 10 PC


Also Read- How to fix Avast Service High CPU usage


The two simple methods mentioned in this article might have resolved the UI Failed to load error on Avast.

That said if avast won’t open and the problem isn’t solved yet, then you should reinstall Avast on our PC.