Remove-WUOfflineSync.ps1

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Function Remove-WUOfflineSync
{
    <#
    .SYNOPSIS
        Unregister offline scaner service.
 
    .DESCRIPTION
        Use Remove-WUOfflineSync to unregister Windows Update offline scan file (wsusscan.cab or wsusscn2.cab) from current machine.
                                       
    .EXAMPLE
        Check if Offline Sync Service is registered and try unregister it.
     
        PS C:\> Remove-WUOfflineSync
 
        Confirm
        Are you sure you want to perform this action?
        Performing operation "Unregister Windows Update offline scan file" on Target "G1".
        [Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help (default is "Y"): Y
 
        ServiceID IsManaged IsDefault Name
        --------- --------- --------- ----
        9482f4b4-e343-43b6-b170-9a65bc822c77 False False Windows Update
        7971f918-a847-4430-9279-4a52d1efe18d False False Microsoft Update
        3da21691-e39d-4da6-8a4b-b43877bcb1b7 True True Windows Server Update Service
 
    .NOTES
        Author: Michal Gajda
        Blog : http://commandlinegeeks.com/
         
    .LINK
        http://gallery.technet.microsoft.com/scriptcenter/2d191bcd-3308-4edd-9de2-88dff796b0bc
 
    .LINK
        Get-WUServiceManager
        Add-WUOfflineSync
    #>


    [CmdletBinding(
        SupportsShouldProcess=$True,
        ConfirmImpact="High"
    )]
    Param()
    
    Begin
    {
        $User = [Security.Principal.WindowsIdentity]::GetCurrent()
        $Role = (New-Object Security.Principal.WindowsPrincipal $user).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)

        if(!$Role)
        {
            Write-Warning "To perform some operations you must run an elevated Windows PowerShell console."    
        } #End If !$Role
    }
    
    Process
    {
        $objServiceManager = New-Object -ComObject "Microsoft.Update.ServiceManager"
        
        $State = 1
        Foreach ($objService in $objServiceManager.Services) 
        {
            If($objService.Name -eq "Offline Sync Service")
            {
                   If ($pscmdlet.ShouldProcess($Env:COMPUTERNAME,"Unregister Windows Update offline scan file")) 
                {
                    Try
                    {
                        $objServiceManager.RemoveService($objService.ServiceID)
                    } #End Try
                    Catch
                    {
                        If($_ -match "HRESULT: 0x80070005")
                        {
                            Write-Warning "Your security policy don't allow a non-administator identity to perform this task"
                        } #End If $_ -match "HRESULT: 0x80070005"
                        Else
                        {
                            Write-Error $_
                        } #End Else $_ -match "HRESULT: 0x80070005"
                        
                        Return
                    } #End Catch
                } #End If $pscmdlet.ShouldProcess($Env:COMPUTERNAME,"Unregister Windows Update offline scan file")
                
                Get-WUServiceManager
                $State = 0;    
                
            } #End If $objService.Name -eq "Offline Sync Service"
        } #End Foreach $objService in $objServiceManager.Services
        
        If($State)
        {
            Write-Warning "Offline Sync Service don't exist on current machine."
        } #End If $State
    } #End Process
    
    End{}
} #In The End :)