How to Fix Avast Error Code 0x8009000bu?

Avast Error Code 0x8009000bu:

Avast boot scan error code 0x8009000bu is an error code that appears on the system when there is an authentication problem on the program. Mentioned below are the problems with their solutions that lead to the error code.

How to Fix the Avast Password not Syncing Problem?

When the Avast password and Avast antivirus don't sync with one another, then the Avast 0x8009000bu error occurs.

Mentioned below are the steps that you need to carry out to sync the two.

Step 1: Launch the Avast program on your PC. After that, go to the navigation panel on the left and select Privacy.

Step 2: Select the icon of "Password" given on the panel on the right.

Step 3: Now open the panel of passwords and then select the menu of Settings given at the top right side of the window.

Step 4: After settings, you will see the menu of Sync and Backup on the left panel and then select the button of "Turn On" given on the right.

Step 5: In case you have not signed into your Avast account, then log in by entering the right credentials.

Step 6: Then, check device syncing under the option of "My synced device".

Step 7: Now, check if the error code has been removed or not.

How to Fix the Avast Access Denied Issue?

The error message can also pop up when the Google account you use for logging into the Avast program doesn't enable the applications.

Step 1: Launch your internet browser and then sign in to your Google account.

Step 2: Go to the panel of Sign in and security and then click on the My Account menu. After that, select the option of Connected apps and sites.

Step 3: Now, go to the menu of allowing less secure apps. Click on the toggle button to enable the feature.

How to Fix Issues Associated with the Avast Program?

You may come across functionality issues while using the Avast program. When such a thing happens, then use the feature of Avast repair to fix the issue.

Follow the steps mentioned below to resolve the issues associated with the Avast program.

• Open the Avast program on your system. After that, go to the upper section of the Window and then select Menu.
• Then, select the menu of Settings given on the panel of the right.
• Next, go to the navigation panel on the left and select the General icon. After that, click on troubleshooting.
• After that, select the button of Repair App. Then, type-in the password to start with the troubleshooting process.