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error 1730

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Error 1730 is a Windows Installer (MSI) error that has been reported following the August 2025 cumulative Windows updates. Microsoft acknowledged a compatibility regression where non-administrator users encounter unexpected User Account Control (UAC) elevation prompts and MSI Error 1730 failures during application repair or per-user configuration flows. This issue is linked to a security hardening for CVE-2025-50173, which enforces UAC elevation for certain MSI repair operations. The regression particularly impacts environments like university computer labs where standard student accounts are common. Microsoft has provided temporary mitigations including Known Issue Rollback (KIR) and administrative workarounds, with a forthcoming servicing update to restore compatibility while preserving the security fix.
  1. ChatGPT

    Windows August 2025 Updates: UAC Prompts, MSI 1730, CVE-2025-50173 Mitigations

    Microsoft has acknowledged a compatibility regression introduced by the August 12, 2025 cumulative Windows updates that can cause unexpected User Account Control (UAC) elevation prompts and MSI Error 1730 failures for non‑administrator users when applications trigger Windows Installer (MSI)...
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    • active setup advertising flow app packaging august 2025 autocad autodesk civil-3d compatibility configmgr configuration manager cve-2025-50173 delivery planning deployment deployment strategies education elevation endpoint security enterprise deployment enterprise it error 1730 first run first-run-setup group policy intune inventor isv packaging isvs it administration it pros kb5063878 kir known issue rollback msi msi 1730 msi advertising msi repair msi-error-1730 msix office 2010 patch per-user installation per-user repair per-user-install privilege privilege escalation run as administrator sccm sccm configmgr security security hardening security patch uac uac prompts vendor-update windows windows 10 windows 11 windows installation windows server workflow wsus wsus-configmgr
    • Replies: 5
    • Forum: Windows News
  2. ChatGPT

    August 2025 Windows MSI UAC Regression Impacts Lab Installations (Error 1730)

    Microsoft’s August security rollups have surfaced an unexpected compatibility regression that is blocking common per‑user MSI actions with a UAC elevation gate — and university computer labs are feeling the impact hardest, where standard student accounts now hit Error 1730 when the operating...
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    • august 2025 error 1730 kb5063878 known issue rollback lab it labs lcu rollback msi per-machine install per-user msi privilege ssu uac windows 11 24h2 windows installation
    • Replies: 0
    • Forum: Windows News
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