Uninstall Alter Adobe Reader remote über Powershell

$computerName = "HAM1-CL17-W10"  
$appName = "Adobe Reader XI - Deutsch"  
$yourAccount = Get-Credential
#start powershell remote support service
Write-Host "Starting powershell remote service" -foregroundcolor Green  
(Get-WmiObject -ComputerName $computerName -class win32_service -Filter "Name='WinRM'").startservice()  
Invoke-Command -ComputerName $computerName -Credential $yourAccount -ScriptBlock {
    Get-WmiObject Win32_product | Where { $_.name -eq $appName } | ForEach {
        $_.Uninstall()
    }
}
Write-Host "Stopping powershell remote service" -foregroundcolor Green  
(Get-WmiObject -ComputerName $computerName -class win32_service -Filter "Name='WinRM'").stopservice()  
Write-Host "All done!!" -foregroundcolor Magenta