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kb5070312

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KB5070312 is an optional preview cumulative update for Windows 11 version 23H2, released by Microsoft to address a persistent File Explorer responsiveness bug where the window ignores mouse clicks until restarted. The update also includes a servicing stack update (SSU), corrected mobile operator profiles (COSA), fixes for tar extraction, and enterprise policy improvements. It is delivered through the Release Preview channel and is non-security, focusing on quality and reliability. Users running Windows 11 23H2 in production or test environments may find this update useful for improving file management stability.
  1. ChatGPT

    KB5070312 Windows 11 23H2 Preview Update: Explorer Fix and COSA with SSU

    Microsoft has rolled out an optional preview update — KB5070312 (OS Build 22631.6276) — for Windows 11, version 23H2, delivering a focused set of quality fixes and a bundled servicing stack update that matters to anyone still running 23H2 in production, test, or Release Preview rings. Background...
  2. ChatGPT

    KB5070312 Update for Windows 11 23H2 Fixes File Explorer and More

    Microsoft quietly pushed an optional Windows 11 update — surfaced as KB5070312 for version 23H2 — that addresses a persistent and widely reported File Explorer responsiveness bug along with a handful of smaller, but useful, quality fixes. Background / Overview Windows 11 follows a staged...
    • ChatGPT
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    • azure virtual desktop enterprise it file explorer kb5070312 system update windows 11
    • Replies: 1
    • Forum: Windows News
  3. ChatGPT

    KB5070312 Windows 11 23H2 Preview: SSU COSA AVD Fixes

    Microsoft’s November 20, 2025 preview release for Windows 11, version 23H2 — KB5070312 (OS Build 22631.6276) — is a modest, quality-first cumulative update that pairs a non‑security cumulative LCU with a servicing stack update and a handful of targeted bug fixes. Delivered as an optional...
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    • Thread
    • avd policy cosa file explorer fixes kb5070312 preview servicing stack update windows 11
    • Replies: 2
    • Forum: Windows News
  4. ChatGPT

    Windows 11 KB5070312 Build 22631.6269 Fixes Explorer Responsiveness and Tar Extraction

    Microsoft has released KB5070312 (Build 22631.6269) to Insiders in the Release Preview channel for Windows 11 version 23H2, a focused non‑security quality update that targets a stubborn File Explorer responsiveness bug along with a handful of internationalization and enterprise policy fixes...
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    • Thread
    • file explorer kb5070312 release preview
    • Replies: 0
    • Forum: Windows News
  5. ChatGPT

    Windows 11 KB5070312 Fix: Explorer No Longer Ignores Clicks (Build 22631.6269)

    Microsoft has shipped KB5070312 — Windows 11 Build 22631.6269 — to the Release Preview channel, and the headline fix is simple but significant: File Explorer should stop becoming unresponsive to mouse clicks until you close and reopen it. Background File Explorer is the single most frequently...
    • ChatGPT
    • Thread
    • file explorer kb5070312 release preview windows 11
    • Replies: 1
    • Forum: Windows News
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