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Microsoft admits a Windows 11 bug is eating up to 500GB of storage, verify if you are affected

Microsoft confirms a Windows 11 bug is silently devouring user storage—here’s how to check if you’re impacted

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Visual summary for Microsoft admits a Windows 11 bug is eating up to 500GB of storage, verify if you are affected
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📍 The outcome

Microsoft addressed the Windows 11 storage bug that consumed up to 500GB of drive space with a fix in the latest update. The issue, which also caused Start Menu and File Explorer failures, was resolved alongside broader UI crashes affecting Windows 11 builds 24H2 and 25H2.

Coverage of the bug quieted after the patch was confirmed.

Epilogue added 44d ago, after coverage quieted.

Questions people are asking

How do I check if my Windows 11 PC is affected?

Coverage from *PCWorld* and *Windows Latest* provides tools to scan for unexplained storage loss (e.g., via Settings > Storage > Advanced > Storage sense). Look for sudden, unexplained file growth in the 'Windows' or 'System Reserved' partitions.

Is the 500GB figure accurate for all users?

The 500GB figure is cited as a maximum observed impact in reports, but actual depletion varies. Some users report smaller losses, while others see no effect despite the bug being present.

Will the latest update fix the issue permanently?

Microsoft’s patch (KB5072911) resolves the bug for most users, but *cyberpress.org* and *Neowin* note ongoing crashes on enterprise PCs. Follow-up updates may be needed.

🌍 How it travelled

headlinez.news detected this story across 2 language editions of the world's news.

🇬🇧 English Jul 6, 14:07 UTC
🇫🇷 French Jul 8, 05:30 UTC · 01net.com

Detected by matching proper nouns and figures that survive translation. Times reflect when each edition's coverage was first indexed.

What happened

Microsoft has acknowledged a Windows 11 bug causing unexplained storage depletion of up to 500GB, alongside broader UI failures. The issue, linked to updates KB5072911 and later builds (24H2/25H2), also triggers black screens, Start Menu crashes, and Taskbar malfunctions on affected systems. Coverage emphasizes the bug’s persistence—some reports describe it as a 'black hole' for drive space—though Microsoft claims a fix exists in the latest patch cycle.

Coverage from *PCWorld*, *TechRadar*, *Windows Report*, *CyberSecurityNews*, *cyberpress.org*, *Neowin*, and *Windows Latest* highlights the severity of the issue, with step-by-step guides to verify storage corruption and UI disruptions. Most outlets stress the need for users to check for the update (KB5072911) and apply patches, though some note the bug’s recurrence on certain enterprise PCs. The tone varies from technical troubleshooting to user frustration over repeated failures.

Watch for follow-up reports on whether the patch fully resolves the issue, especially for enterprise users still experiencing crashes. Monitor Microsoft’s support forums and patch notes for additional fixes or workarounds. If storage loss persists, users may need to manually audit system files or revert updates as a temporary measure.

Synthesized by headlinez.news from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 44d ago.

Who reported it (7)

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Topics

Windows 11 storage bug KB5072911 UI crashes Microsoft patches enterprise IT

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