Atera Powershell Script reinstall








# Stop Atera service if running
Write-Output "Stopping Atera services..."
Stop-Service -Name "AteraAgent" -Force -ErrorAction SilentlyContinue
Stop-Service -Name "AteraAgentHelper" -Force -ErrorAction SilentlyContinue


# Kill lingering processes
Write-Output "Killing Atera processes..."
Get-Process -Name "AteraAgent*" -ErrorAction SilentlyContinue | Stop-Process -Force


# Uninstall via MSI if registered
Write-Output "Checking for MSI uninstall entry..."
$msi = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -like "Atera*" }
if ($msi) {
    $msi.Uninstall()
}


# Remove leftover folders
Write-Output "Removing leftover directories..."
$paths = @(
    "C:\Program Files\Atera Networks\AteraAgent",
    "C:\Program Files (x86)\Atera Networks\AteraAgent",
    "C:\ProgramData\Atera Networks\AteraAgent"
)
foreach ($path in $paths) {
    if (Test-Path $path) {
        Remove-Item -Path $path -Recurse -Force -ErrorAction SilentlyContinue
    }
}


# Remove registry keys
Write-Output "Cleaning registry entries..."
$regPaths = @(
    "HKLM:\SOFTWARE\ATERA Networks",
    "HKLM:\SOFTWARE\WOW6432Node\ATERA Networks",
    "HKLM:\SYSTEM\CurrentControlSet\Services\AteraAgent",
    "HKLM:\SYSTEM\CurrentControlSet\Services\AteraAgentHelper"
)
foreach ($reg in $regPaths) {
    if (Test-Path $reg) {
        Remove-Item -Path $reg -Recurse -Force -ErrorAction SilentlyContinue
    }
}


Write-Output "Atera agent removal complete. A reboot is recommended."