Public/Test-WindowsInstallerPendingReboot.ps1
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<#
.SYNOPSIS Checks if a reboot is pending due to a Windows Installer operation. .DESCRIPTION The Test-WindowsInstallerPendingReboot function checks specific registry keys which Windows Installer sets when a reboot is needed. If any of the keys exist or meet certain conditions, a reboot is likely pending. .EXAMPLE Test-WindowsInstallerPendingReboot In this example, the function checks the registry and returns $true if a reboot is pending, and $false otherwise. .OUTPUTS System.Boolean This function returns $true if a reboot is pending and $false if it is not. #> function Test-WindowsInstallerPendingReboot { [CmdletBinding()] [OutputType([System.Boolean])] param() if (Test-Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations") { return $true } if (Test-Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending") { return $true } try { if ((Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Updates").UpdateExeVolatile -ne 0) { return $true } } catch { return $false } return $false } Export-ModuleMember -Function Test-WindowsInstallerPendingReboot |