Mirosoft confirms after installing KB5063878 update and changing UAC is causing MSI Repair Prompts breaking app install on ...

Microsoft points out a side effect of the August updates. User account control prompts appear when MSI repairs are started.

Microsoft says the August 2025 security updates are triggering unexpected User Account Control (UAC) prompts and app installation issues for non-admin users across all supported Windows versions.

Microsoft confirms that there is a problem in the recent security update KB5063878. Specifically, it concerns an error that ...