Key Takeaways
1. Users are experiencing crashes, hard freezes, and continuous restarts after installing the cumulative update KB5079473 for Windows 11 versions 24H2 and 25H2.
2. Complaints on Microsoft support forums include issues like multiple crashes, BSOD errors, and failures in applications like Office and Outlook.
3. Despite user reports, Microsoft’s support page claims they are “not currently aware of any issues” with the update, highlighting a discrepancy between user experiences and official communication.
4. Feedback from users on platforms like Reddit includes problems with system drives, graphical issues, and app crashes on specific laptop models, although these reports are unverified.
5. Microsoft encourages users to report issues through the Feedback Hub, which allows for easier tracking and prioritization of problems related to the update.
Some users of Windows 11 are experiencing issues like crashes, hard freezes, and continuous restarts after they installed the cumulative update KB5079473 from Microsoft in March 2026. This patch is meant for Windows 11 versions 24H2 and 25H2; however, Microsoft’s support page claims they are “not currently aware of any issues with this update.”
User Complaints Surface
Initial complaints have been seen in Microsoft support forums. A user shared on March 12 in a Q&A post that after installing KB5079473, their PC had “fully crashed 3 times,” with each incident needing a full reboot, leading to lost unsaved work. Following comments echoed these experiences, mentioning total screen freezes that forced hard restarts and repeated crashes while sharing screens in Zoom.
Broader Issues Reported
Another Microsoft Q&A thread suggests even more diverse problems. One user mentioned their system started to restart every 10 to 20 minutes post-update and shared an instance of a BSOD with the stop code ATTEMPTED_WRITE_TO_READONLY_MEMORY (0xBE). Additionally, another user stated that after applying the patch, Office and Outlook failed to initialize, and both Command Prompt and Print Screen stopped functioning, with error code 0x800704b3 noted. This thread also featured a complaint from another user who stated the update couldn’t be installed, only showing a retry message.
Discrepancy in Reporting
This situation highlights Microsoft’s status page, where the “Known issues in this update” section still claims no issues are recognized. The highlights for the update focus instead on improvements related to Secure Boot certificates, enhanced reliability for File Explorer searches, better behavior in WDAC COM allowlisting, and upgrades in Windows System Image Manager trust warnings.
The contrast between user experiences and Microsoft’s official communication is quite common. Problems with Windows updates often emerge in community discussions and feedback platforms before they are acknowledged on an official known-issues page.
Reddit Feedback
Similar concerns have also begun to appear on Reddit, with users reporting inaccessible system drives on certain Samsung Galaxy Book laptops, graphical issues after the update, and app crashes on at least one Dell Precision workstation. However, these reports remain unverified claims.
User feedback is crucial as Microsoft’s Feedback Hub is a primary tool for identifying patterns and prioritizing issues. Microsoft encourages users to search for related reports, upvote them, share their experiences, and attach screenshots or recordings to aid investigations.
Additionally, Microsoft mentions that pressing Windows key + F opens the Feedback Hub and automatically captures a screenshot for the report. For users facing these issues, the Feedback Hub serves as the most straightforward way to submit concerns while Microsoft evaluates whether the crash reports related to KB5079473 require formal acknowledgment.
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