$machines = Get-ADComputer -SearchBase "DOMAIN OU" -Filter {Enabled -eq $true} | Foreach {$_.DNSHostName}
$Output=ForEach ($System in $Machines) {
    $app = $null
    $ServerStatus = "Unreachable"
    $AppStatus = "Presense Unknown"

    if (!(test-Connection -ComputerName $System -BufferSize 16 -Count 1 -ea 0 -Quiet))
    {
        Write-Output "$System Offline"
    }
    Else
    {
         Try {
            $app = Get-WMIObject -Class win32_product -Filter {Name like "Sophos Anti-Virus"} -ComputerName $System -ErrorAction STOP
            $ServerStatus = "Online"

            if($app) {
                $AppStatus = "Present"
            } else {
                $AppStatus = "Not Present"
            }

         }
         Catch {
                Write-Output "$system Offline "

         }
    }

    if($app) {
         $app | Select-Object -Property @{n="ComputerName";e={$System}},@{n="ServerStatus";e={$ServerStatus}},@{n="AppStatuName";e={$AppStatus}},Name,Version
    } else {
         "" | Select-Object -Property @{n="ComputerName";e={$System}},@{n="ServerStatus";e={$ServerStatus}},@{n="AppStatuName";e={$AppStatus}},Name,Version
    }
}

$output | Export-csv C:\Output.csv