Uninstall Microsoft Teams with GPO link

gistfile1.txt

Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass -Force

$DebugPreference = 'continue'

Clear-Host

try 
{ 
  $user = ((Get-WmiObject -Class Win32_ComputerSystem).username).tolower()
  #$user = $user -replace 'fe.',''
  #$user = $user.substring(3)
  $user = $user -replace '(\w{1,})\\',''
}
catch 
{          
  Write-Debug -Message "User not logged in on $env:computername`n"
  break
}

try 
{
  Stop-Process -Name 'Teams' -Force -ErrorAction SilentlyContinue
} catch 
{
  Write-Debug -Message 'Teams not currently running'
}

$TeamsPath = [IO.Path]::Combine('c:\users', $user, 'AppData', 'Local', 'Microsoft', 'Teams')
$TeamsUpdateExePath = [IO.Path]::Combine('c:\users', $user, 'AppData', 'Local', 'Microsoft', 'Teams','Update.exe')
if ((!(Test-Path -Path $TeamsPath) -or (!(Test-Path -Path $TeamsUpdateExePath)))) 
{
  Write-Debug -Message 'Teams folders are already removed, closing'
  break 
}


try 
{ 
  $null = Get-CimInstance -ClassName win32_product | 
  Where-Object -Property name -Like -Value '*Teams*' |
  Invoke-CimMethod -MethodName Uninstall
  Write-Debug -Message 'Teams auto installer removed'
}
catch 
{
  Write-Debug -Message "Unable to uninstall the reinstaller on $env:computername - it may already be uninstalled"
}

try
{
  if (Test-Path -Path $TeamsUpdateExePath) 
  {
    Write-Debug -Message 'Uninstalling Teams process'

    # Uninstall app
    $proc = Start-Process -FilePath $TeamsUpdateExePath -ArgumentList '-uninstall -s' -PassThru
    $proc.WaitForExit()
  } else 
  {
    Write-Debug -Message 'Teams .exe already removed...'
  }
  if (Test-Path -Path $TeamsPath) 
  {
    Write-Debug -Message 'Deleting Teams directory'
    Remove-Item -Path $TeamsPath -Recurse
  } else 
  {
    Write-Debug -Message 'Teams directories already removed'
  }
}
catch
{
  Write-Error -ErrorRecord $_
  exit /b 1
}
exit