How to Repair Update Error 0x80072af9 (Solved)

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The error code: 0x80072af9 is often started by Windows after a system error. Broken system inputs often represent a considerable danger to the well-being of your PC.

Several situations caused an error in the system file. Incomplete installation, partial file deletion, incorrect deletion of utilities or components. It can also be triggered if a PC is infected with a virus or adware infection or by an incorrect computer shutdown. Either of these activities could very well lead to the deletion or corruption of Windows system files. This corrupted system file results in missing or poorly linked documents and files that are necessary for the proper functioning of the software.

Check your antivirus protection


The use of a good antivirus program is important if you want to protect your PC from online threats. However, your antivirus can sometimes interfere with your system and cause an error 0x80072af9. To solve this problem, it is recommended to disable some antivirus functions and check if it helps you. If the problem persists, you may need to disable your antivirus completely.

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In the worst case, your only solution may be to remove your antivirus. If removing the antivirus solves the problem, you should consider switching to another antivirus program such as Bitdefender. This antivirus offers excellent features and does not affect your system in any way, so you can try it.

Install all available Windows updates

Microsoft developers are familiar with most Windows 10 bugs and are working hard to release patches as quickly as possible. It is important to regularly install Windows Updates in order to receive support and ensure proper operation of the system. To fix the error 0x80072af9, it is recommended to run Windows Updates :

  1. Press the Windows + I button and select Update and Security.
  2. Click Check for Updates and wait for the system to perform an analysis.
  3. If you have updates, install them and check that the Windows Defender definition 0x80072af9 update error has disappeared. If this is not the case, proceed to the next correction.

Using the Windows Update MiniTool

Some users who received the error 0x80072af9 when installing Office updates were able to work around the problem with a third-party tool. Windows Update MiniTool (WUMT) could install updates that would normally fail if they were installed via WU (Windows Update).

Note: This method is confirmed only for working with Office updates. You can use it to try to install a faulty patch, but there is no confirmation that it works.

Check the synchronization options

Step 1: To log in to your account, open the email application and enter your access data.

Step 2: Click on the settings in the lower left corner and display them as a report icon.

Step 3: Click on Settings, then select Accounts.

Step 4: Click on the account for which you want to correct the error.

Step 5: Click on Edit Mailbox Synchronization Settings and select Check in the Synchronization Options.

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