per-user installation

About this tag
The per-user installation tag on WindowsForum.com covers discussions about software installations configured for individual user accounts rather than system-wide deployment. Recent content highlights a compatibility issue introduced by the August 2025 Windows cumulative updates, where per-user MSI repair operations trigger unexpected User Account Control prompts and MSI Error 1730 failures for non-administrator users. This behavior is linked to a security hardening measure for CVE-2025-50173. Microsoft has provided temporary mitigations, including Known Issue Rollback and administrative workarounds, to restore compatibility while preserving the security fix. The tag is relevant for IT professionals and advanced users managing per-user application deployments and troubleshooting related update regressions.
  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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