Powershell to install and run ccleaner. In Syncro set this up to run as System, Powershell.

install-and-run-ccleaner.ps1

Import-Module $env:SyncroModule

# Silent Install CCleaner
# http://www.piriform.com/ccleaner/download


# Path for the workdir
$workdir = "c:\temp\"

$sixtyFourBit = Test-Path -Path "C:\Program Files (x86)"

$cCleanerInstalled = Test-Path -Path "C:\Program Files\CCleaner"

If ($cCleanerInstalled){ 
    Write-Host "Installed - running the cleaner!"
    Start-Process -FilePath "C:\Program Files\CCleaner\CCleaner64.exe" -ArgumentList "/AUTO /SHUTDOWN"
} ELSE { 
    Write-Host "Doing the installation first"



    # Check if work directory exists if not create it

    If (Test-Path -Path $workdir -PathType Container){ 
        Write-Host "$workdir already exists" -ForegroundColor Red
    } ELSE { 
        New-Item -Path $workdir  -ItemType directory 
    }

    # Download the installer

    $source = "http://download.piriform.com/ccsetup537.exe"
    $destination = "$workdir\ccsetup.exe"

    # Check if Invoke-Webrequest exists otherwise execute WebClient

    if (Get-Command 'Invoke-Webrequest'){
        Invoke-WebRequest $source -OutFile $destination
    } else {
        $WebClient = New-Object System.Net.WebClient
        $webclient.DownloadFile($source, $destination)
    }

    # Start the installation
    Start-Process -FilePath "$workdir\ccsetup.exe" -ArgumentList "/S"

    Start-Sleep -s 35

    Start-Process -FilePath "C:\Program Files\CCleaner\CCleaner64.exe" -ArgumentList "/AUTO /SHUTDOWN"
}

If CCleaner is already installed and there is a very old version, how can you script that to update to the latest version? Also, how can we output what was actually cleaned up after it runs? If we can't pull logs, what exactly does the /AUTO argument do to the machine it is run on?