Microsoft Corporation. Microsoft Corporation. This boot task launches the SIH client to finish executing healing actions to fix the system components vital to automatic updating of Windows and Microsoft software installed on the machine. It is enabled only when the daily SIH client task fails to complete execution of applicable healing actions. This boot task never goes online and does not evaluate applicability of healing actions. \Microsoft\Windows\WindowsUpdate\sihboot D:(A;;FAFRFX;;;SY)(A;;FAFRFX;;;LS) false S-1-5-18 LeastPrivilege IgnoreNew false false false true false true false true true true false true true false PT2M 7 %systemroot%\System32\sihclient.exe /boot