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Document MSIX launch issue with Unified Write Filter - #529

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Roy (RDMacLachlan) wants to merge 7 commits into
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RDMacLachlan:docs/windows11-vfs-known-issue
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Document MSIX launch issue with Unified Write Filter#529
Roy (RDMacLachlan) wants to merge 7 commits into
MicrosoftDocs:mainfrom
RDMacLachlan:docs/windows11-vfs-known-issue

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@RDMacLachlan

@RDMacLachlan Roy (RDMacLachlan) commented Sep 2, 2026

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Summary

  • add the Windows 11 Unified Write Filter launch warning to the packaged desktop app known-issues article
  • keep the VFS technical reference unchanged because VFS mappings aren't a condition of the issue

AB#63905513

AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Learn Build status updates of commit 5cbdcf9:

✅ Validation status: passed

File Status Preview URL Details
msix-src/desktop/desktop-to-uwp-behind-the-scenes.md ✅Succeeded
msix-src/desktop/flexible-virtualization.md ✅Succeeded

For more details, please refer to the build report.

Comment thread msix-src/desktop/desktop-to-uwp-behind-the-scenes.md Outdated
Comment thread msix-src/desktop/desktop-to-uwp-behind-the-scenes.md Outdated
AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@RDMacLachlan Roy (RDMacLachlan) changed the title Document Windows 11 MSIX VFS launch issue Document MSIX VFS launch issue with Unified Write Filter Sep 2, 2026
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Learn Build status updates of commit 3b8b71b:

✅ Validation status: passed

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msix-src/desktop/desktop-to-uwp-behind-the-scenes.md ✅Succeeded
msix-src/desktop/flexible-virtualization.md ✅Succeeded

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Comment thread msix-src/desktop/desktop-to-uwp-behind-the-scenes.md Outdated
AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@RDMacLachlan Roy (RDMacLachlan) changed the title Document MSIX VFS launch issue with Unified Write Filter Document MSIX launch issue with Unified Write Filter Sep 2, 2026
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Learn Build status updates of commit 00f1869:

✅ Validation status: passed

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msix-src/desktop/desktop-to-uwp-behind-the-scenes.md ✅Succeeded
msix-src/desktop/flexible-virtualization.md ✅Succeeded

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Comment thread msix-src/desktop/flexible-virtualization.md Outdated
AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@RDMacLachlan
Roy (RDMacLachlan) requested a lite review from Copilot September 2, 2026 20:49
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Learn Build status updates of commit ea0a8c1:

✅ Validation status: passed

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msix-src/desktop/desktop-to-uwp-behind-the-scenes.md ✅Succeeded

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🟡 Changes recommended

The added NOTE is currently too vague/unactionable and may be mis-scoped by its placement under virtualization-only guidance without an authoritative reference or clear applicability details.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

Documents a Windows 11/UWF interaction that can block MSIX app launch, adding a warning within the packaged desktop app runtime deep-dive.

Changes:

  • Updates the article metadata date.
  • Adds a NOTE warning about a Windows 11 issue preventing MSIX app launch when Unified Write Filter (UWF) is enabled.
File summaries
File Description
msix-src/desktop/desktop-to-uwp-behind-the-scenes.md Adds a Windows 11 + UWF launch warning note and refreshes ms.date.
Review details
  • Files reviewed: 1/1 changed files
  • Comments generated: 1
  • Review effort level: Lite

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Comment thread msix-src/desktop/desktop-to-uwp-behind-the-scenes.md Outdated
AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@learn-build-service-prod

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Learn Build status updates of commit 772d0be:

✅ Validation status: passed

File Status Preview URL Details
msix-src/desktop/desktop-to-uwp-behind-the-scenes.md ✅Succeeded

For more details, please refer to the build report.

AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@learn-build-service-prod

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Learn Build status updates of commit 62dd5d4:

✅ Validation status: passed

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msix-src/desktop/desktop-to-uwp-known-issues.md ✅Succeeded

For more details, please refer to the build report.

Comment thread msix-src/desktop/desktop-to-uwp-known-issues.md Outdated
AB#63905513

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@learn-build-service-prod

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Learn Build status updates of commit 288425f:

✅ Validation status: passed

File Status Preview URL Details
msix-src/desktop/desktop-to-uwp-known-issues.md ✅Succeeded

For more details, please refer to the build report.

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2 participants