Avast antivirus has been effectually for a while and is ane of the best antivirus options for Mac and Windows PCs alike that you can download for free. While its protection against online threats works well, it has its flaws.

Sometimes the Avast user interface fails to load, or the plan only won't open. Following are the reasons why Avast may not open up:

  • Incompatibility issues that may lead to BSOD errors
  • Commuter 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 up on Windows 10

If you're using a Windows x PC, y'all have Windows Defender by default, but Avast provides the following:

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

Beneath are some fixes you lot can use when Avast doesn't open in Windows ten.

Update Avast and Your PC's Operating System

Before trying the other solutions in this guide, check whether the Avast application and your computer'due south operating system are up to date.

Follow these steps to cheque whether you're running the latest version of Avast antivirus:

  1. Right-click the Avast app icon and select Update > Plan.
  1. Select Check for Updates and await while the program checks for and installs updates.
  1. A status bulletin saying Your awarding is up to date pops upwards once the update is complete.
  1. Restart your computer to complete the update.

Be sure to update Windows to the latest OS version, but if Avast still doesn't open, attempt the solutions below.

Check Avast Installation

If properly installed, the Avast app will appear in the list of Apps and Features on Windows. If information technology'south non opening, you may need to verify that the app is properly installed, activated, and upward to date.

  1. Correct-click Start > Apps & Features.
  1. If Avast doesn't appear in the Apps & Features list, it's not installed correctly on your PC, and you'll have to download and reinstall information technology.

Check Your Avast Subscription Status

The Avast Free Antivirus activates automatically afterwards installation, simply you may be prompted to reactivate information technology afterward 12 months.

  1. Correct-click the Avast icon in the Windows taskbar expanse and select Registration Information.
  1. Select Upgrade Now on the My Subscriptions screen.
  1. In the Avast Free Antivirus cavalcade, click Select.
  1. Select the X icon on the new screen to go dorsum to the My Subscriptions screen. This activates Avast Complimentary Antivirus for another 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 up, information technology could exist that the Avast Antivirus service is preventing the program from starting upward properly. You can restart the service and check whether information technology resolves the problem.

  1. Right-click Start > Run.
  1. Blazon services.msc in the Run dialog box and printing Enter.
  1. Find Avast Antivirus service in the Services window, right-click the service, and select Properties.
  1. Cheque the Service status to meet if it says Started and select Stop to stop information technology from running.
  1. Set the Startup type pick to Automated and confirm the dialog box that appears.
  1. Select Start again to activate the Avast service.

Repair Avast

You tin use the Avast Setup sorcerer to repair your Avast installation when Avast doesn't open or work properly.

Repairing Avast volition fix or replace programme files that may be missing, outdated or corrupted, and reset the software configuration.

Note: Repairing Avast may preserve some customized settings and render other settings to default.

  1. Close any apps or antivirus programs running on your PC so correct-click Outset > Apps & Features.
  1. Select your version of Avast from the left panel in the Apps & Features screen, select Uninstall and select Uninstall again to confirm.
  1. Select Repair in the Avast Setup magician.
  1. Select Yes to confirm the repair. Once the procedure is complete, select Done or select Restart estimator if prompted.

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.

  1. Shut any app or antivirus running on your PC, and and so download the Avast Uninstall Utility tool.
  2. Correct-click the downloaded Avast Uninstall Utility file and select Run as administrator.
  1. If prompted by the Avast Antivirus Clear dialog to restart in Rubber Style, select Yeah.
  1. Select the location of Avast program files and the product edition to uninstall, and so select Uninstall.
  1. In one case the removal process ends, select Restart Computer to complete the uninstallation.
  1. Now, reinstall Avast and try opening the plan on your PC over again.

You tin also uninstall Avast from your PC via the Windows Start menu.

  1. Correct-click Kickoff > Apps & Features > Avast Antivirus > Uninstall > Uninstall when the Avast Antivirus setup appears.
  1. Select Yes to ostend your action.
  1. One time uninstalled, select Restart reckoner and reinstall Avast.

Get Avast Working Again

Avast ranks high in nearly every list of all-time antivirus software. Millions of people use the Avast antivirus software to block threats as it'due south convenient.

We hope this guide helped you reopen Avast Antivirus on your computer. Leave a comment and let u.s.a. know which solution worked for you.