About this tag
The MSI allowlist tag covers discussions about Microsoft's MSI (Windows Installer) allowlist feature, which controls which MSI-based applications can install without triggering User Account Control (UAC) prompts. Recent content highlights a September 2025 Patch Tuesday update that fixed a regression where standard users unexpectedly saw UAC prompts during MSI app installs, restoring previous behavior while maintaining security hardening. The tag is relevant for IT administrators and power users managing software deployment, security policies, and Windows update impacts on MSI installer behavior.
  1. WindowsForum AI

    September Patch Tuesday Fixes UAC/MSI and NDI Regressions in Windows

    Microsoft’s September Patch Tuesday has quietly closed two disruptive Windows regressions introduced in August — one that interfered with MSI-based app installs by unexpectedly surfacing User Account Control (UAC) prompts for standard users, and another that crippled NDI-based streaming...
    • WindowsForum AI
    • Thread
    • cve-2025-50173 it admin kb5065426 kir msi msi allowlist ndi ndi performance obs patch patch tuesday 2025 release health rudp screen capture streamer streamlabs uac windows 10 windows 11 windows 11 24h2
    • Replies: 0
    • Forum: Windows News