Phnom Penh
The latest Phnom Penh coverage — news, analysis, and updates from the WindowsNews.AI desk.
The Contiguity Trap: Why Windows 10/11 Can't Extend C: Drive and How to Fix It
Windows enforces a strict contiguity rule that prevents extending the C: drive into non-adjacent unallocated space, often leaving users stuck. This article explains the technical reason, outlines four practical methods—from built-in tools to third-party partition managers—and provides a safety checklist to avoid data loss. With backups and the right approach, reclaiming that space is a routine task.
Microsoft Officially Deprecates EdgeHTML Web Components, Signaling Final Shift to Chromium-Based WebView2
Microsoft has officially deprecated EdgeHTML-era web components—including Legacy Web View, UWP HTML/JS apps, legacy PWAs, and EdgeHTML DevTools—marking the final push toward Chromium-based alternatives like WebView2. Developers and enterprises must inventory affected apps, plan migrations, and adopt modern embedding or PWA models to avoid future breakage and security gaps.
Edge Dev Breaks Efficiency Mode Free from Windows 11’s Energy Saver
Microsoft Edge Dev introduces a new toggle that lets users decouple the browser’s Efficiency mode from Windows 11’s Energy Saver, offering a choice between system-follow or always-on power saving. This explicit control resolves user confusion, benefits battery life, but raises concerns about performance trade-offs and default settings. Enterprise policies remain available for managed environments.
The 5,000 FPS Bug: How a Missing Frame Limiter in 3D Pinball Space Cadet Pegged CPUs for Decades
When Microsoft engineer Dave Plummer ported 3D Pinball: Space Cadet to Windows NT, he omitted a frame rate limiter, allowing the game to eventually consume entire CPU cores and hit up to 5,000 FPS. Raymond Chen later capped the game at 100 FPS, turning a power-hungry legacy bug into a case study in defensive coding and pragmatic triage. The story highlights why explicit timing, yield-friendly loops, and cross-speed testing remain critical for modern Windows development.
Windows 11 Users Get Emoji 16.0 in Patch Tuesday, but Emoji Panel Left Behind
Windows 11 24H2's September Patch Tuesday (KB5065426) delivers Emoji 16.0 font assets, but the built-in Emoji Panel and many apps still show blank boxes. The staggered rollout highlights the complex interplay between system fonts, rendering pipelines, and picker metadata. While modern Office and Teams apps display the eight new emojis, Outlook, Instagram, and the native picker lag behind.
Windows 11 NVMe Failures Traced to Engineering Firmware, Not Microsoft Update
Phison's exhaustive testing reveals that recent Windows 11 SSD failures were caused by engineering firmware and non-retail BIOS images, not a universal update flaw. Only drives with pre-release firmware exhibited data loss during sustained writes, while retail firmware remained stable. Users should verify firmware, back up data, and update responsibly while the industry addresses supply-chain gaps.
TEKLYNX Unveils 2025 Label Software: GS1 Digital Link Wizard, Cloud OData, and .NET 8.0 Support
TEKLYNX has rolled out its 2025 labeling software suite featuring a GS1 Digital Link wizard, IEC 61406 support, cloud OData connectivity, and compatibility with .NET 8.0 and Windows Server 2025. The update modernizes label design and enterprise print automation for upcoming GS1 Sunrise 2027 requirements, while improved cloud integration and native printer drivers reduce deployment friction. Enterprises should verify official release artifacts and test integrations carefully before production rollout.
Phison: Engineering Preview Firmware, Not Windows 11, Caused SSD Bricking
A Taiwanese PC-building group discovered that SSD failures blamed on a Windows 11 update were caused by engineering preview firmware on old review samples, not production drives. Phison confirmed the issue could only be replicated on pre-release firmware, exonerating retail units and defusing fears of a widespread bug.
Windows 11 KB5064081 Ships Emoji 16.0 Fonts — Emoji Panel Still Shows Blanks
Windows 11 24H2 now partially supports Emoji 16.0 via KB5064081 font updates, but the Emoji Panel lacks the new icons and many apps still show blank squares. The fragmented experience stems from Windows' mix of DirectWrite and legacy GDI rendering, with full panel integration expected in a future cumulative patch.
Windows 11 24H2’s September Update Forces Kerberos and SMB Hardening, Adds Copilot+ AI Perks
The September 2025 Windows 11 24H2 cumulative update (KB5065426, build 26100.6584) delivers consumer features like a redesigned Recall homepage and clock seconds, but its critical payload is the final enforcement of Kerberos strong certificate mapping and new SMB auditing telemetry. IT admins must re-issue certificates and audit SMB clients now, as compatibility workarounds expire on September 10, 2025. The update also fixes UAC prompts, NDI audio stutter, and expands Copilot+ AI features.
Microsoft’s No-Restart Patch Squashes UAC Prompts for Windows 11 LTSC, Warns of 2026 Secure Boot Crisis
Microsoft released hotpatch KB5065474 for Windows 11 Enterprise LTSC 2024 on September 9, 2025, updating devices to OS Build 26100.6508 without a restart. The update resolves an issue where non-admin users saw unexpected UAC prompts during MSI repair operations, and it highlights a critical Secure Boot certificate expiration timeline beginning in June 2026. A known interoperability issue with PowerShell Direct when host and guest VMs are unevenly patched is addressed by a companion update.
KB5063878 Update: When Windows 11 SSDs Disappear Mid-Write – User Data Protection Strategies
The August 2025 Windows 11 cumulative update KB5063878 can cause SSDs to vanish during heavy writes of ~50 GB or more, risking data corruption and permanent drive loss. Community testing linked the bug to certain Phison controllers and discovered engineering firmware on some retail drives, explaining why vendor labs initially saw no fleet‑wide failure. Users should immediately back up, avoid large writes, check for vendor firmware updates, and treat any disappearance as a data‑loss emergency.
The HLT Instruction: Why Windows 95 Left It Out to Avoid Bricking Laptops
Microsoft removed the HLT CPU instruction from Windows 95 to prevent a severe bug that could permanently brick laptops from multiple manufacturers, including a major OEM. Despite the instruction's power-saving benefits, the risk of irrecoverable system lockups outweighed the rewards, leading to a conservative engineering decision that sparked third-party idler tools and lasting lessons in compatibility risk management.