<#
Author: Gabe Kerntke
Date: 07-15-2024

.Synopsis
Script checks to see if ZixSelect for Outlook is installed, if installed it will uninstall

.Modified
2024-07-15 (GabeK) - Original script created

#>

######################
###    Variables   ###
######################
$Name = "ZixSelect"

######################
###    Functions   ###
######################

#Function checks for 32 or 64 bit processor and then pulls list of applications accordingly
Function Get-Software ($CPU = $ENV:PROCESSOR_ARCHITECTURE) {
    If ($CPU -eq 'AMD64') { 
        $64bit = Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* 
        $32bit = Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*
        $32bit + $64bit
    } 
    Else { Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* }  
}

#Function to uninstall program via Registry UninstallString
Function Uninstall {
    $Registry = $Applist | Select-Object -ExpandProperty UninstallString
    $UninstallString = $Registry.Substring(0, $Registry.Length - 35)
    $Command = $UninstallString += ' -x -s -f1"\\cb-domain.local\NETLOGON\Software\uninstall.iss"'
    cmd /c $Command
    Start-Sleep 120
    If ($Applist.DisplayName -like "*$Name*") {
        Write-Host "Failed to uninstall $Name"
    }
    Else {
        Write-Host "$Name uninstalled successfully"
    }
}

######################
###  Script start  ###
######################

#Check to see if program is installed
$Applist = Get-Software | Where-Object { $_.DisplayName -like "*$Name*" }
If ($Applist.DisplayName -like "*$Name*") {
    Uninstall
}
Else {
    Write-Host "$Name is not installed, exiting script"
}