<#
Author: Leng Yang
Date: 06/24/25

.Synopsis
Uninstalls Lenovo Commercial Vantage and Vantage Service if detected.

.Modified
06/24/25 (LengY) - Original script created
06/25/25 (GabeK) - Code Reviewed
#>

# Variables #
$AppName = "Lenovo Vantage Service"
$AppxName = "LenovoSettingsforEnterprise"

# Functions #

Function Get-Software ($CPU = $ENV:PROCESSOR_ARCHITECTURE) {
	If ($CPU -eq 'AMD64') { 
		$32bit = Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* 
		$64bit = Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*
		$32bit + $64bit
	} else { 
		Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* 
	}  
}

# Start Script #
$LVS = Get-Software | Where-Object { $_.DisplayName -like "*$AppName*" }
$LCV = Get-AppxPackage -AllUsers *$AppxName*
if (($LVS) -and ($LCV)) {
    Write-Host "Lenovo Commercial Vantage detected. Beginning removal."
    $LCV | Remove-AppxPackage -AllUsers
    $LVSuninstall = $LVS.QuietUninstallString
    Start-Sleep 1
    Start-Process -FilePath cmd -ArgumentList '/c', $LVSuninstall -NoNewWindow -Wait -PassThru | Out-Null
    Start-Sleep 1
    $LVS = Get-Software | Where-Object { $_.DisplayName -like "*$AppName*" }
    $LCV = Get-AppxPackage -AllUsers *$AppxName*
    if (!($LVS) -and !($LCV)) {
        Write-Host "Lenovo Commercial Vantage has been completely removed."
    }
} else {
    Write-Host "Lenovo Commercial Vantage is not installed."
}

# End Script #