Overview of Issues Arising from Windows August 12 Updates
Following the release of the August 12 updates for Windows version 24H2 (KB5063878) and Windows 10 (KB5063709), many educational institutions reported a critical bug that initiates User Account Control (UAC) prompts for secondary MSI installers. This persistent issue results in Error 1730, particularly impacting users with standard accounts who cannot meet the elevated admin access requirements.
“This month’s security update for Windows made things a tad difficult for us, as our students would see Error 1730 when they tried to run.msi installers, ” shared a small IT team from a European school.
Understanding the MSI and Its Secondary Installer Functionality
The recent updates appear to have altered the behavior of the.msi installers. For context, .msi files are commonly utilized for application installations, but they can also be triggered during application updates or when a new user account attempts to access an app or installer. While the primary MSI installer remains functional, the issue lies with secondary MSI installers which serve different purposes.
Popular software applications, such as AutoCAD, typically deliver installation packages in.msi form. While the August 2025 update functions properly for primary MSI installations, which most users rely on, various scenarios necessitate the use of secondary MSI installers on a per-account basis.
For educational institutions, providing access to software like AutoCAD to all students involves an initial installation for administrators. Following this, when a standard user account is created for a student, a secondary MSI installation is triggered to handle licensing, user profile setup, and other necessary configurations.
In settings like shared labs, where many new user profiles are created, encountering the secondary MSI installation step is common. This process collects required info from the admin account to enable applications for students, copying relevant files and settings into the user’s home folder.
Impact of the August 2025 Windows Update on Secondary MSI Installers
Inexplicably, the latest Windows August 2025 updates have changed the permissions required for these secondary MSI actions, now demanding admin rights for their execution. Previously, standard user accounts could run these installers without issue, but the recent updates have introduced a UAC prompt that complicates the process significantly.
“We have several applications behaving this way, not just those from Autodesk, ” mentioned an IT administrator from a university.“All software that utilizes secondary MSI installations experiences this problem.”
According to an IT technician from a European university, “KB5063878 causes these installers to suddenly require admin permissions. If I’m not an administrator, I have to click ‘No’ and I then encounter the 1730 error.”
Extent of the Problem Across Software
This issue is not confined to Autodesk products like AutoCAD; any applications requiring secondary MSI installations for per-user configurations at first launch are affected. This includes popular educational tools such as Civil 3D and Inventor, prevalent in academic environments.
“This AutoCAD issue seems far larger than just AutoCAD, ” commented a school administrator.“I have been investigating this on both Win10 & Win11 platforms in a large academic setting.”
Microsoft has acknowledged the situation and is reportedly in discussion with Autodesk to address the problem. Until a fix is provided in a future update, Autodesk is advising users facing this issue to uninstall affected applications and pause Windows updates, especially if modifying organization policies is not feasible.
Summary of Broader Issues Related to the August 2025 Update
The August 2025 update appears to have created several complications for users, including reports of SSD corruption and challenges with audio and video streaming, demonstrating a range of bugs that collectively contribute to a less than satisfactory user experience.
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