Microsoft's October 2026 Windows 11 Patch Tuesday update bug disables Smart App Control and blocks re-enabling it
The Windows 11 Patch Tuesday update released on October 13 contains a bug that turns off Smart App Control, a feature introduced in 2022 that blocks potentially malicious or suspicious apps and files. Affected systems show the feature as Off with the On option grayed out, so users cannot re-enable it. Microsoft says it is working on a fix…