sandbox

  1. Firefox 143 Brings Windows Taskbar Web Apps and Copilot Sidebar Enhancements

    Firefox’s latest release delivers the kind of practical Windows-focused refinements power users have been asking for — and a high-profile AI tie‑in that will keep privacy wonks and enterprise admins debating for weeks. Background / Overview Mozilla’s rapid-release cadence means the browser you...
  2. Nano11: Extreme Windows 11 Slimdown to 2.29GB for VMs

    NTDEV’s latest builder shrinks a full Windows 11 ISO down to a reported 2.29 GB by surgically removing nearly everything most users expect from a modern desktop OS — from Xbox and Solitaire to Windows Update and Windows Defender — producing an extremely compact, intentionally unserviceable image...
  3. CVE-2025-53136: Windows Kernel Info Leak Threat to KASLR (TOCTOU)

    A routine security update intended to tighten Windows kernel defenses has instead opened a new attack vector: a reliably exploitable information‑disclosure bug tracked as CVE‑2025‑53136 that leaks kernel addresses on Windows 11 and Windows Server 2022 24H2 builds. The vulnerability—rooted in...
  4. Windows 11 Insider Preview Build 26120.6682 Beta Channel: Copilot UX polish and fixes

    Microsoft released Windows 11 Insider Preview Build 26120.6682 (KB5065782) to the Beta Channel on September 12, 2025 — a targeted maintenance-and-experience flight for PCs running Windows 11, version 24H2 that layers incremental Copilot-era UX polish, accessibility improvements, and a handful of...
  5. Windows Security Balance: UAC, Smart App Control, VBS, and Defender Notifications

    Windows' built‑in security toolbox is larger and more capable than it has ever been, but several of its most visible safeguards can — paradoxically — reduce real‑world security when design and deployment interact with human behavior and system performance. Four features in particular — User...
  6. Copilot for Microsoft 365: Policy, Audit Gaps & Enterprise Hardening

    Microsoft’s Copilot for Microsoft 365 was supposed to make AI agents safer to run at enterprise scale; instead, recent reports show a control-plane failure that left some agents discoverable and installable despite tenant-level policy locks—forcing administrators into time-consuming, per-agent...
  7. Windows 11 KB5062553 Install Failures? Step-by-Step Troubleshooting Guide

    If Windows 11’s July 2025 cumulative update (KB5062553) won’t install on your PC and you’re seeing rollback messages or error codes such as 0x800f0922, 0x80073712, or “Updates failed — your device is missing important security updates,” this guide walks through a practical, evidence-backed...
  8. Copilot Governance Gap: Why Agent Policy Enforcement Fails Across Microsoft Surfaces

    Microsoft’s Copilot agent governance has slid into the spotlight after multiple, independent reports found that tenant-level policies intended to prevent user access to AI agents were not reliably enforced — a misconfiguration and control-plane gap that left some Copilot Agents discoverable or...
  9. Windows Language Shortcuts: Disable Win+Space, Rebind Alt+Shift with PowerToys

    Windows still defaults to the universal language switcher on Win + Space, and while you can change the legacy Left Alt + Shift combination from Settings, disabling or reassigning the Win + Space behavior requires a remapping tool such as Microsoft PowerToys or a third‑party script; this feature...
  10. Debunking 2025 Windows Security Myths: Defender, Paid AV, and Windows 10 EOL

    Three persistent beliefs about Windows security still shape user behavior in 2025 — that you must pay for antivirus, that Microsoft Defender is a catch‑all shield, and that staying on Windows 10 is safe for years to come — and each of these myths is now misleading in ways that materially affect...
  11. Patch Chrome 139.0.7258.127: Fix for ANGLE CVE-2025-8901

    Chromium security teams fixed a high‑risk out‑of‑bounds write in the ANGLE graphics translation layer (tracked as CVE‑2025‑8901), and users of Chromium‑based browsers — including Microsoft Edge after Microsoft ingests the Chromium update — must upgrade to the patched builds (Chrome...
  12. Word CVE-2025-53784 Use-After-Free: Local RCE in Documents

    A newly disclosed memory-corruption flaw in Microsoft Word—tracked as CVE-2025-53784—has been classified as a use-after-free vulnerability that can allow an attacker to execute code locally when a victim opens or previews a specially crafted document. Microsoft’s Security Update Guide lists this...
  13. Microsoft Expands Advanced Settings in Windows 11 for Greater Customization and Control

    In a move that signals a renewed focus on user empowerment and accessibility, Microsoft is testing a rebranded and substantially expanded “Advanced Settings” page within Windows 11—an evolution of the former “For Developers” settings. This development, currently surfaced in insider builds of...
  14. Neighbors: Suburban Warfare – The Hilarious Backyard Battle Arena

    In the great tapestry of human history, few battlefields have been as bitterly contested as the peaceful, tree-lined avenues of suburbia. But just when you thought the only war waged in these neighborhoods was whether Jim's new deck extension violates HOA by-laws, along comes Neighbors: Suburban...
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    Windows sandbox stuck on splash screen (LATEST UPDATE)

    I've been running Sandbox ever since I built my PC, so I know it's compatible. However, with the latest update, it always gets stuck on the new splash screen and won’t proceed any further. I’ve tried reinstalling it, but it’s still stuck on the splash screen without any error codes or messages.
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    Windows 10, still doesn’t let me use nox or VMware?

    I am having a problem, sandbox, hyperv and windows hypervisor platform are disabled but on windows 10 I can not boot VMware or anything that uses virtualization. When I try I get errors such as “Virtualization has not been enabled”. Does anyone know another fix that can be implemented?
  17. The Powder Toy | Highly Recommended!

    If you're like me, you'll love playing around with physics. The Powder Toy is a sandbox game that gives you a plethora of different materials with which to play! From powders, solids, gasses, electronic, even radioactive materials. You can also load saves that other people have made, others have...
  18. Announcing Windows 10 Insider Preview Build 19631

    Hello Windows Insiders, today we’re releasing Windows 10 Insider Preview Build 19631 to Windows Insiders in the Fast ring. You can check out our Windows Insider Program documentation here, including a list of all the new features and updates released in builds so far. Not seeing any of the...
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    Windows 10 Sandbox startup error

    Hi! This night I tried to start Sandbox and it returned error message: Testovacie prostredie (sandbox) pre Windows = Testing environment (sandbox) for Windows --------------------------- Testovacie prostredie (sandbox) pre Windows sa nepodarilo spustiť. = Testing environment (sandbox) for...
  20. Strengthening the Microsoft Edge Sandbox

    In a recent post, we outlined the layered strategy that the Microsoft Edge security team employs to protect you from vulnerabilities that could be used to compromise your device or personal data. In particular, we showed how Microsoft Edge is leveraging technologies like Code Integrity Guard...