How to Fix 0x8000ffff Error in Windows 11 Effectively (2 Ways)

You can learn why 0x8000ffff error in Windows 11 occurs and 2 effective ways to fix the problem as well as how to protect data better. Keep reading to know more detailed information.


By Maggie Updated on December 29, 2023

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Reasons for 0x8000ffff Error in Windows 11

More and more users have recently reported encountering the 0x8000ffff error code in Windows 11 after upgrading to the latest Windows version. If you are encountering a 0x8000ffff error in Windows 11, then it is usually an issue preventing the update process from proceeding. Here are some reasons why you might see this error.

● Corrupted system files: If the system has corrupted system files, you may face a series of problems including some issues while updating Windows.
 Critical services not running: Many users find that Windows Update and other critical services are not running.
● Malware or Virus Infection: The presence of malware or viruses on your computer can also affect the update process and can also cause problems launching the Microsoft Store.
● Conflicting applications or third-party antivirus: Some users have reported that third-party antivirus is causing the issue, our solution will help fix Windows Update error code 0x8000ffff.

How to Fix 0x8000ffff Error in Windows 11

After understanding the reason, you can continue reading the article to learn 2 simple and effective solutions to help you fix this problem. Each method includes a detailed graphic tutorial. You can choose according to your own needs, or you can try these methods in turn. I believe there is always a method that can help you solve the problem.

Fix 1. Run the Windows Update Troubleshooter

Your primary approach when fixing this error, or one similar to it, should be to run the associated troubleshooter, if there is one for that issue. The troubleshooter automatically diagnoses the problem and, in most cases, makes the necessary modifications to the system to resolve the problem.

Step 1. Press Windows + I to launch the Settings app, and click on Troubleshoot on the right in the System tab.

Click Troubleshoot

Step 2. Next, click on Other troubleshooters.

Other Troubleshooter

Step 3. Locate the Windows Update troubleshooter and click on the Run button next to it.

Windows Update

Step 4. Wait for the troubleshooter to diagnose the problem and follow the listed instructions to resolve it.

Fix 2. Disable Windows Security

If disabling or uninstalling third-party antivirus software didn’t help, it’s possible that the built-in Windows security system kicked in and is now causing the 0x8000ffff installation error in Windows 11. So make sure to disable that too. Follow the steps below.

Step 1. Press Windows + S to launch the Search menu. Enter Windows Security in the text field at the top, and click on the relevant search result that appears.

Step 2. Click on Virus & threat protection from the options that appear here.

Virus Threat Protection

Step 3. Next, click on Manage settings under Virus & threat protection settings.

Manage Settings

Step 4. Disable the toggle for Real-time protection.

Real Time Protection

Step 5. Click Yes on the UAC (User Account Control) prompt that pops up.

Bonus Tip: How to Protect Data Better

Regular system backup can effectively protect your Windows 11 and avoid 0x8000ffffh or other errors from happening in Windows 11. When you need to perform system backup, you need to choose a safe and reliable backup software, such as AOMEI Backupper Standard, which can not only help you backup x system for free, but also provide various backup functions to fully protect your data.

✦ Scheduled backup: This software allows you to set a daily, weekly or monthly schedule to automatically run the system backup of Windows 11, so that your Windows 11 always maintains the latest backup version.
✦ Incremental backup: You can choose the incremental backup method to perform your backup tasks. Incremental backups will only back up the changed parts, so this method will help you save backup time and storage space.
✦ Different paths: You can backup your Windows 11 system to different destinations, such as local disk, external disk, HDD, SSD, USB drive, NAS, etc.

You can download and install this free backup software, and then start backing up Windows 11 according to the graphic tutorial below. If you are a Windows Server user, you can choose the AOMEI Backupper Server version.

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Step 1. Open AOMEI Backupper Standard, and click Backup > System Backup.

System Backup

Step 2. By default, it will select the system disk and other partitions needed for booting. And you need to select a destination.

Select Destination

Step 3. Confirm your operations and click Start Backup.

Start Backup

• Options: Except for the free functions we mentioned before, it also provides an image encryption feature which can make your backup more secure. And you can upgrade to the professional version to enjoy it.   
• Schedule Backup: You can set up daily, weekly, monthly, event triggers or USB plug in to automatically backup Windows 11.
• Backup Scheme: If you enable the backup scheme, this feature will automatically help you to delete old backups so that you can save your disk space. It is available in the professional version.


This article explains what is this error, why 0x8000ffffh error occurs and how to fix 0x8000ffffh in Windows 11 with the two methods mentioned in the article. After fixing the problem, in order to better protect data security, you can use the free backup software AOMEI Backupper Standard to regularly backup Windows 11. It supports scheduled backups with regular intervals. It also supports a variety of storage devices, backup methods and Windows operating systems.

In addition, as a professional backup software, this software also supports disk backup, file backup and partition backup to fully protect your data security. You can download this software now to explore more.

Maggie · Editor
Maggie is a technical editor from AOMEI and troubleshoots technical problems against data protection. She has received professional and systematic technical training. With a focus on user experience, security, and problem-solving, she always puts herself in the readers' shoes and provides them with valuable technical insights.