The Windows Update 0x80071a91 is an error that occurs on mostly Windows 10 and 11 PC after recent upgrades from lower Windows versions. Corrupt system drivers, corrupt Windows OS installation, and Windows Updates issues are some factors that trigger Windows 10 error 0x80071a91. Therefore, we have enlisted working solutions geared towards fixing the error problem once and for all.

What is error 0x80071AB1?

Error 0x80071a91 prevents users from downloading and installing Windows updates. We could say that Windows 10 inherited this error code from Windows 8.1. Unfortunately, it also occurs on the latest Windows OS. This error is intended to inform you that an effort to make room in the manager’s log for the transactional resource is unsuccessful, and the event log has been updated to reflect the failure. Here are a few causes:

Corrupted system files – It turns out that the 0x80071AB1 issue might also originate from system file corruption. SFC or DISM checks can usually fix superficial corruption issues, but you might need a clean install in more significant situations. Missing Windows update – Utilizing the Media Creation tool for OS upgrade is the only way to get around this message if you have a WU issue. Windows update glitch – Using the Windows Update troubleshooter and implementing the suggested remedy may solve your problem if you’re having difficulties installing a new.NET framework update or another WU update the traditional way. Corrupted WU components – Installing the necessary update from the Microsoft Update Catalog will allow you to avoid the issue in this scenario altogether. Recent software change – You might be able to fix this error using the System Restore tool if you recently installed an application or made another software modification that led to it. Just be careful to select the appropriate restore point.

Now let us look at the most recommended solutions; these would also come in handy if you have the error messages Net Framework 3.5 error code 0x80071A91 or 0x80071a91 System Restore.

How do I fix the 0x80071a91 Windows Update error?

1. Erase the Common Log File System transaction logs

2. Run the Windows Update troubleshooter

One of the safest antivirus options you can use is ESET NOD32. It offers excellent protection features against viruses, malware, phishing scams, and other digital threats that might affect your device.

3. Run a full system scan

Malware and viruses can creep up on your Windows PC and corrupt important system drivers; hence, you experience Windows 10 error 0x80071a91. Consider purchasing a reliable security tool to help eradicate malware and viruses from your computer. When you find antivirus software that covers the compatibility with your computer’s functionality, you know it won’t interfere with your PC. Windows Security, a natural defender for your Windows PC that runs scans and receives updates to help identify the latest threats, is a quick and efficient solution. SPONSORED It has a variety of different scanning options with high-quality detection rates. You can scan every file on your computer, including running processes, system files, program files, and even cached files.

4. Reset Windows Updates components

Disclaimer: This solution contains steps that are part of modifying the registry. Please note that serious problems may occur if you do this incorrectly. Hence, follow these steps correctly and carefully. Here’s how to manually reset the Windows Updates Components: Afterward, rerun Windows Updates, install the latest updates, and verify that the 0x80071a91 error is resolved.

5. Perform a Clean Boot

6. Run System Restore in safe mode

If you want to try a solution that can perform this process automatically, we recommend you use Restoro. It is a dedicated program that scans your device for crashes and updates any faulty element that can affect your device’s performance.

7. Reset your FSRM Service

How do I fix the 0x80071a91 error on Windows 11?

This Windows update error happens across different upgrades of the Microsoft OS. The good news is that while the solutions we have shown are for Windows 10, they are easily adaptable for Windows 11. This is because both operating systems are similar except for the occasional UI differences. So you should pick whatever solution pleases you, and it should work on a windows 11 device.

What do you do when the transaction log is full?

You must back up the transaction log to enable log records to be freed and the log to be reduced. To allow the Database Engine to truncate the log to the position of the most recent backup, you must establish two log backups if the log has never been backed up. For new log records, the log can be truncated to create logical space.

Can I download Windows updates manually?

While updates would, in most cases, be automatic, you can manually check for new updates and download and install them. You have to open your settings app and hit the windows Update tab to reveal if there are any updates to be downloaded. Conclusively any of the solutions above should be able to fix Windows 10 error 0x80071a91. However, if you still experience this issue, we will recommend that you consider installing Windows 10 OS afresh. Have you encountered Window error 0x80071a91? Did you try any of our fixes above? We do appreciate it if you share your experience with us. Let us know in the comment section below.

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