How To Fix Avast Error Code 0x8009000bu?

Avast Error Code 0x8009000bu

The Avast error code 0x8009000bu occurs during the boot-time scan, or it may occur due to some authentication problem on the program. When the Avast password and Avast antivirus don’t sync with one another, the avast 0x8009000bu error occurs. The error code can also pop up when the Google account you use for logging into the Avast program doesn’t enable the applications. The error message may also occur due to functionality issues while using the Avast program. Below are the problems with their solutions that lead to error code.

Avast Password Not Syncing Problem:

  • Launch the Avast program on your PC, go to the navigation panel on the left, and select Privacy.
  • Select the Password icon on the right side of the panel, open the Passwords panel, and select the Settings menu at the top right side of the window.
  • You will see Sync and Backup menu on the left panel. Now, you have to select the Turn On button.
  • Enter the login credentials if you have signed in to your Avast Account and then check if the device has synced.
  • Now, check if the avast error code 0x8009000bu has been fixed or not.

Avast Access Denied Problem:

  • When the Google account, which you use to log in to the Avast program on the device, does not allow the application, then the error message appears.
  • On your web browser, sign in to your Google account.
  • Go to the Sign-in and Security panel and then click on My Account. After that, select the Connected apps and sites option.
  • Now, go to the menu for allowing less secure apps. Click on the toggle button to enable the feature.

Issues Associated With The Avast Program:

  • Sometimes, the avast software itself faces functional problems and uses the Avast repair feature to resolve the problem.
  • After launching the Avast application on your computer, go to the top of the window and select Menu.
  • Choose the Setting menu on the right-side panel, click the General icon on the left navigation panel, and then select Troubleshooting.
  • Click the Repair app button and then enter the password to begin the troubleshooting process.

Now, see if the Avast error code 0x8009000bu has been fixed.