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Fix: avast antivirus won’t open in windows update or set up

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fix avast antivirus update or set up

Antivirus software is a program that shields the system against online dangers and threats. It is utility programming that offers safeguards to PCs or fix avast antivirus update or set up against different online bugs, and Avast antivirus software has many excellent functions and features that keep your system security and protection in check.

But time and again, the Avast antivirus software shows some error or issues, and one of the frustrating and annoying antivirus software issues is Avast antivirus not won’t open in Windows error.

Here we will guide you to resolve your error.

Reasons for the Avast Antivirus Error

  1. Due to the corrupted or faulty Windows Registry files
  2. The system is infected with the cyber-threats like virus or malware
  3. Due to the deleted installed Avast files
  4. Due to the installation and download of Avast wasn’t done effectively
  5. Windows wasn’t updated with the latest version of it
  6. Faulty or poor network connection

Troubleshooting solutions to fix the Avast error

Solution 1: Check your internet connection

The very first thing a user must check is the internet connection. A user must ensure that the system is working with the proper internet connectivity. Sometimes due to the poor internet connection, your installation process hampers and causes you the Avast Antivirus Error.

Solution 2: Repair Windows registry

Your corrupted windows registry files are also responsible for the Avast Antivirus Error. So a user must repair the windows registry files.

Solution 3: Clean disk space

A user must clean the space of the system and remove the junk or unwanted files by using the disk clean up tool.

  1. Open your Explorer window.
  2. Right-click on the main directory
  3. Here, choose Disk Clean up option under Properties option.
  4. Also, clear the browsing history, cookies, and cache.

Solution 4: Uninstall and reinstall Avast antivirus software

If the Avast Antivirus Error occurs again and again, then a user must uninstall the software and then reinstall it again. A user must reinstall the latest version of the Avast antivirus software update or set up Avast antivirus. A user must download the latest version of the Avast antivirus software by visiting the official website of the Avast antivirus.

Solution 5: Other Solutions

Apart from the above-mentioned solutions, a user must try these things.

  1. Update the computer device drivers
  2. A user must update the Windows OS with the latest update if required
  3. Must scan the system fully.
  4. If you’ve made some recent changes in your device and after that, you are facing this error then try to undo the recent changes made in your device.
  5. A user must uninstall the expired Avast subscription
  6. Last, a user must restart the system to check whether the issue still remains or not.


We wish that through these steps, you can solve the issues as soon as possible. You must use the fix avast antivirus update or set up version of Avast Antivirus. We though want to that the steps are quite understandable to you and follow them precisely.

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