禁止win升级

PS C:\WINDOWS\system32> $regPath = "HKLM:\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc"
PS C:\WINDOWS\system32> Set-ItemProperty -Path $regPath -Name "Start" -Value 4
PS C:\WINDOWS\system32> Get-ItemProperty -Path $regPath -Name "Start"

Start        : 4
PSPath       : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc
PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
PSChildName  : WaaSMedicSvc
PSDrive      : HKLM
PSProvider   : Microsoft.PowerShell.Core\Registry

PS C:\WINDOWS\system32> Get-Service wuauserv, UsoSvc, WaaSMedicSvc | Select Name, Status, StartType

Name          Status StartType
----          ------ ---------
UsoSvc       Stopped  Disabled
WaaSMedicSvc Stopped  Disabled
wuauserv     Stopped  Disabled