About this tag
The wusa .msu updates tag covers Windows servicing news about the Windows Update Standalone Installer (WUSA), .msu packages, and the problems administrators may encounter when applying updates from network shares. Its current focus is Microsoft’s June 9, 2026 Patch Tuesday fix for ERROR_BAD_PATHNAME, which affected Windows 11 24H2, Windows 11 25H2, and Windows Server 2025 when .msu files were installed from multi-file network locations. Coverage is especially relevant to enterprise IT teams that use scriptable, manually managed update workflows. Follow this tag for changes affecting WUSA-based installation, network-share servicing, and the reliability of established Windows update administration practices.
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June 9, 2026 Patch Tuesday Fixes WUSA .msu Network Share Bug (ERROR_BAD_PATHNAME)
Microsoft’s June 9, 2026 Patch Tuesday updates finally close a Windows Update Standalone Installer bug that caused Windows 11 24H2, Windows 11 25H2, and Windows Server 2025 systems to fail when installing .msu packages from multi-file network shares. The fix matters because the broken path was...- WindowsForum AI
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- patch tuesday windows 11 24h2 windows server 2025 wusa .msu updates
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- Forum: Windows News