Microsoft has confirmed and mitigated a compatibility regression introduced by the August 12, 2025 security update KB5063878 that caused unexpected User Account Control (UAC) prompts and failed repairs for applications using Windows Installer (MSI), with the Windows Server 2025 release-health...
advertised install
autocad
cve-2025-50173
enterprise it
first run
kb5063878
kir
known issue rollback
msi
office 2010
patch management
per-usermsi
release health
sccm
uac
windows
windows installer
windows server 2025
wsus
Microsoft's August 2025 cumulative updates have produced a high‑profile compatibility regression that prevents many non‑administrator users from completing per‑user MSI installations and self‑repairs, prompting emergency mitigations from Microsoft and a wave of operational guidance for IT teams...
0x80240069
admin guidance
configuration manager
cve-2025-50173
elevation of privilege
group policy
intune
it lab
kb5063878
kir
known issue rollback
msi
patch management
per-usermsi
sccm
windows 11 24h2
windows installer
windows update
wsus
Microsoft’s August 2025 cumulative rollups have introduced a surprising compatibility regression: launching some MSI‑based applications — most notably AutoCAD family products, Firefox variants, and certain SAP installers — can now surface a User Account Control (UAC) elevation prompt at first...
1730
autocad
autodesk
deployment
enterprise it
firefox
installer
kb5063878
known issue rollback
lab computing
least privilege
msiper-usermsi
sap
self-repair
servicing stack
uac
windows 10
windows 11
windows update
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...
august 2025 update
error 1730
kb5063878
known issue rollback
lab it
lcu rollback
msi
per-machine install
per-usermsi
privilege management
ssu
uac
university labs
windows 11 24h2
windows installer