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App Uninstall Scripts/App - ZixSelect for Outlook - Uninstall.ps1

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+<#
+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"
+}