
If you’re encountering challenges with Windows 11 KB5058411 installations, you’re not alone. Issues such as error codes like 0x800f0991
, 0x80070002
, 0x800f081f
, 0x80070306
, and 0xc0290122
have been reported. These problems appear to affect only a subset of users, as highlighted by Windows Latest. Additionally, the May 2025 Update seems to introduce significant issues with File Explorer, such as an unresponsive toolbar.
KB5058411 is an essential security update that contains crucial fixes. Therefore, it is advisable not to disregard its installation. Users have reported various problems stemming from this update across forums, including the Feedback Hub and Reddit, which emphasizes the necessity of resolving these issues.
Error code 0x80070002
typically indicates that while the update files have been downloaded, the system cannot locate them during installation. Similarly, some users encounter 0x800f081f
during the installation process of the Windows 11 May 2025 Update.
With these errors being somewhat ambiguous, deciphering their meanings can be frustrating, especially for less tech-savvy users. Notably, the 0x80070306
error has emerged without a distinct cause and reportedly affects even users with clean and updated systems.
What Steps to Take if Windows 11 KB5058411 Fails to Install?
Your first course of action should be to manually download the KB5058411 update package from the Microsoft Update Catalog. This approach often resolves installation issues quite effectively.
If manual installation does not yield results, a more robust solution is to use the Media Creation Tool for an in-place upgrade. This tool allows your system to download fresh files directly from Microsoft servers, often overriding any corrupted files that may be preventing the update.
To use the Media Creation Tool, download it from Microsoft’s official site and execute it. Ensure that the option to keep personal files and applications is selected to avoid data loss.

If you prefer not to engage in these troubleshooting steps, consider waiting for the optional update set to arrive in the last week of May 2025. This may resolve existing issues without any additional effort on your part.
Troubles with File Explorer Post-Update
Although some users report that File Explorer does not entirely stop functioning after the installation of KB5058411, many are unable to interact with the toolbar. The apparent unresponsiveness of File Explorer can severely hinder your user experience, making basic tasks difficult.
Reports indicate that following the update, some users experience issues where File Explorer fails to recognize clicks, leading to functionality problems with the ribbon menu toggles.

A user on Reddit expressed concerns, stating that “KB5058411 broke explorer, ” illustrating the extent of the problems. If explorer.exe
crashes, the task bar may also become unresponsive, causing a cascade of issues as many user interfaces are linked to this component.
Font Issues Arising from Windows 11 KB5058411
Despite no formal confirmation from Microsoft regarding installation problems tied to KB5058411, users have noted issues with font rendering—specifically with CJK (Chinese, Japanese, Korean) characters. Many have reported seeing blurry or unclear fonts in applications, most notably in Chromium-based browsers like Edge and Chrome.
For those suffering from font clarity problems post-update, increasing the display scaling setting to either 125% or 150% might provide some reprieve.
Microsoft has acknowledged the issue and is currently investigating, stating that further updates will provide more detailed information.
Additionally, there have been reports of systems experiencing Blue Screen of Death (BSOD) errors following the update, although these instances appear to be isolated. Users have managed to restore stability by rolling back the update after experiencing frequent crashes.

It should also be noted that some Windows 11 users have faced issues related to BitLocker recovery, typically a concern more associated with Windows 10 installations. Microsoft maintains that Windows 10 is the primary affected OS, thus providing clarity on the extent of the issue.
Frequently Asked Questions
1. What should I do if I encounter the 0x800f0991 error during Windows 11 KB5058411 installation?
The 0x800f0991 error often indicates missing Windows component files. Try running the DISM
tool in the command prompt using DISM /Online /Cleanup-Image /RestoreHealth
, and then attempt to install the update again.
2. How can I fix File Explorer issues after installing KB5058411?
If File Explorer becomes unresponsive, consider re-launching it from the Task Manager by searching for explorer.exe
and restarting the task. Additionally, ensuring your system is updated with the latest patches may resolve these glitches.
3. What if my system becomes unstable after the update?
If your system crashes or exhibits instability post-update, consider reverting to a previous restoration point through System Restore or uninstalling the update via the Settings > Update & Security > Windows Update > Update history.
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