HP Bloatware remover

HP-Debloater.ps1

<#
.DESCRIPTION Removes HP bloatware.
#>

# Get list of HP applications from both registry locations
$Apps = @()
$Apps += Get-ItemProperty "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*" | Where-Object { $_.DisplayName -like "*HP*" } # 32 Bit
$Apps += Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*" | Where-Object { $_.DisplayName -like "*HP*" } # 64 Bit

# Filter out null DisplayName entries, duplicates, and drivers
$Apps = $Apps | Where-Object { $_.DisplayName -ne $null -and $_.DisplayName -notlike "*driver*" } | Sort-Object DisplayName -Unique

if ($Apps.Count -eq 0)
{
    Write-Host "No HP applications found to uninstall."
    exit
}

Write-Host "Found $($Apps.Count) HP application(s):"
foreach($app in $Apps)
{
    Write-Host "- $($app.DisplayName)"
}

# Confirm before proceeding
$confirmation = Read-Host "`nDo you want to proceed with uninstalling these applications? (y/N)"
if ($confirmation -notmatch '^[Yy]')
{
    Write-Host "Operation cancelled."
    exit
}

foreach($app in $Apps)
{
    Write-Host "`nUninstalling: $($app.DisplayName)"
    
    if ([string]::IsNullOrEmpty($app.UninstallString))
    {
        Write-Warning "No uninstall string found for $($app.DisplayName)"
        continue
    }
    
    try
    {
        # Handle MSI uninstallers (quiet mode)
        if ($app.UninstallString -like "*msiexec*")
        {
            # Extract the MSI product code
            $productCode = ($app.UninstallString -split "/I|/X")[1].Trim()
            $arguments = "/X$productCode /quiet /norestart"
            Start-Process "msiexec.exe" -ArgumentList $arguments -Wait -NoNewWindow
            Write-Host "Successfully uninstalled: $($app.DisplayName)" -ForegroundColor Green
        }
        # Handle other uninstallers
        else
        {
            # Split uninstall string into executable and arguments
            if ($app.UninstallString.StartsWith('"'))
            {
                $execPath = ($app.UninstallString -split '"')[1]
                $arguments = ($app.UninstallString -split '"', 3)[2].Trim()
            } else
            {
                $parts = $app.UninstallString -split ' ', 2
                $execPath = $parts[0]
                $arguments = if ($parts.Length -gt 1)
                { $parts[1] 
                } else
                { "" 
                }
            }
            
            # Add silent/quiet flags if not present
            if ($arguments -notmatch "/S|/silent|/quiet|/q")
            {
                $arguments += " /S"
            }
            
            Start-Process $execPath -ArgumentList $arguments -Wait -NoNewWindow
            Write-Host "Successfully uninstalled: $($app.DisplayName)" -ForegroundColor Green
        }
    } catch
    {
        Write-Error "Failed to uninstall $($app.DisplayName): $($_.Exception.Message)"
    }
}

Write-Host "`nUninstallation process completed."