Sometimes the Avast user interface fails to load, or the program just won’t open. Following are the reasons why Avast may not open:

Incompatibility issues that may lead to BSOD errors Driver conflicts with other apps A broken Avast installation that may have been corrupted The service stops running properly 

What to Do When Avast Doesn’t Open on Windows 10

If you’re using a Windows 10 PC, you have Windows Defender by default, but Avast provides the following:

Advanced antivirus protection against viruses or malwareExtra security features, including browser cleaning, behavior shield, and remote assistance 

Below are some fixes you can use when Avast doesn’t open in Windows 10.

Update Avast and Your PC’s Operating System

Before trying the other solutions in this guide, check whether the Avast application and your computer’s operating system are up to date.  Follow these steps to check whether you’re running the latest version of Avast antivirus:  Be sure to update Windows to the latest OS version, but if Avast still doesn’t open, try the solutions below.

Check Avast Installation

If properly installed, the Avast app will appear in the list of Apps and Features on Windows. If it’s not opening, you may need to verify that the app is properly installed, activated, and up to date. 

Check Your Avast Subscription Status

The Avast Free Antivirus activates automatically after installation, but you may be prompted to reactivate it after 12 months.  Note: If you’re using a paid version of Avast Antivirus, follow the instructions for Avast Premium Security or Avast Omni to activate your subscription.

Restart Avast Antivirus Service

When Avast doesn’t open, it could be that the Avast Antivirus service is preventing the program from starting up properly. You can restart the service and check whether it resolves the problem.

Repair Avast

You can use the Avast Setup wizard to repair your Avast installation when Avast doesn’t open or work properly.  Repairing Avast will fix or replace program files that may be missing, outdated or corrupted, and reset the software configuration.  Note: Repairing Avast may preserve some customized settings and return other settings to default.

Reinstall Avast

If the issue persists, use the Avast Uninstall Utility to uninstall Avast Antivirus as it completely removes all files associated with Avast from your PC while Windows runs in Safe Mode.  You can also uninstall Avast from your PC via the Windows Start menu. 

Get Avast Working Again

Avast ranks high in almost every list of best antivirus software. Millions of people use the Avast antivirus software to block threats as it’s user-friendly.  We hope this guide helped you reopen Avast Antivirus on your computer. Leave a comment and let us know which solution worked for you.

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