Windows 10 KB5043131's bug that breaks native apps now has a temporary solution

A recent Windows 10 update, KB5043131, caused an issue that made certain apps inoperable. Microsoft acknowledged the issue, stating that the bug in the update prevented apps from launching on non-admin accounts.

The affected apps included Quick Assist, Microsoft Teams, Windows Narrator, and any app with UIAccess set to “true.” According to the official support page, the issue was observed after installing the September 2024 preview update released on September 24, 2024, or later.

The UIAccess attribute in an application’s manifest file requests that the application be granted higher privileges.

The bug affected systems with client versions of Windows 10 version 22H2. Microsoft said the issue was mitigated by the Known Issue Rollback feature, which undid the problematic bits of the update, but it might take up to 24 hours to propagate.

There is also a policy for IT admins that can be applied to undo changes and restore devices to a state when this error doesn’t happen. You can download it from this link.

A permanent solution for the KB5043131 happening in Windows 10, will be available in a future update.