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App Uninstall Scripts/App - Webex - Uninstall.ps1

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+<#
+Author: Gabe Kerntke
+Company: UFS LLC
+Date: 02-21-2024
+
+.Synopsis
+Script checks to see if Webex is installed, if it is then it will find the uninstall string from registry and uninstall it via that method
+
+.Modified
+2024-02-21 (GabeK) - Original script created
+2025-07-28 (GabeK) - Updated to use functions script
+#>
+
+#  Variables  #
+$App_Name = "Webex"
+$users = (Get-ChildItem -path c:\users).name
+#  Functions  #
+
+#Function to uninstall via Reg Key uninstall string
+Function Uninstall-App {
+    $UninstallString = $Applist | Where-Object { $_.DisplayName -eq $App_Name } | Select-Object -ExpandProperty UninstallString
+    $UninstallString + " /qn" | cmd
+    If ($Applist.DisplayName -like "*$App_Name*") {
+        Uninstall-App2
+    }
+    Else {
+        Write-Host "$App_Name uninstalled successfully"
+    }
+}
+
+#Function to uninstall via Reg Key uninstall string
+Function Uninstall-App2 {    
+    $UninstallString = $Applist | Where-Object { $_.DisplayName -eq $App_Name } | Select-Object -ExpandProperty UninstallString | Where-Object ($_.UninstallString -like "*C:\*")
+    $UninstallString += " -silent" | cmd
+    If ($Applist.DisplayName -like "*$App_Name*") {
+        Uninstall-App_PSPath
+    }
+    Else {
+        Write-Host "$App_Name uninstalled successfully"
+    }
+}    
+
+#Function to uninstall by deleting User Reg Key
+Function Uninstall-App3 {  
+    New-PSDrive -PSProvider Registry -Name HKU -Root HKEY_USERS
+    $RegistyPath = Get-ChildItem -Path HKU:\ | Select-Object -ExpandProperty Name 
+    $Registy = $RegistyPath.Substring(10)
+
+    Foreach ($Reg in $Registy) {
+        Get-ChildItem HKU:$Reg | Where-Object { $_.Name -like "*Webex*" } | Remove-Item -Force -Verbose -Recurse
+    }
+    Write-Host "$App_Name removed successfully"
+}
+
+Function Test-Uninstall {
+    foreach ($user in $users) {
+        $path = "C:\Users\$user\AppData\Local\Programs\Cisco Spark"
+        $path2 = "C:\Users\$user\AppData\Local\CiscoSpark"
+        $path3 = "C:\Users\$user\AppData\Local\CiscoSparkLauncher"
+        $path4 = "C:\Users\$user\AppData\Local\CiscoWebexLauncher"
+        If (Test-Path $path) {
+            Remove-Item $path -Force -Recurse -Verbose
+            Remove-Item $path2 -Force -Recurse -Verbose
+            Remove-Item $path3 -Force -Recurse -Verbose
+            Remove-Item $path4 -Force -Recurse -Verbose
+        }
+    }
+    
+    New-PSDrive -PSProvider Registry -Name HKU -Root HKEY_USERS -ErrorAction SilentlyContinue | Out-Null
+    $Keys = Get-ChildItem "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\" -Recurse
+    $SIDs = $Keys.PSChildName
+    foreach ($SID in $SIDs) {
+        If (Test-Path "HKU:\$SID\Software\Microsoft\Windows\CurrentVersion\Uninstall") {
+            Get-ChildItem "HKU:\$SID\Software\Microsoft\Windows\CurrentVersion\Uninstall" | Where-Object { $_ -like "*Webex*" } | Remove-Item -Force -Recurse -Verbose -ErrorAction SilentlyContinue
+        }
+        If (Test-Path "HKU:\$SID\Software\Microsoft\Windows\CurrentVersion\Uninstall\*webex*") {
+            Write-Host "Webex uninstall key for $SID still exists."
+        }
+    }
+
+    $Tool = "CiscoWebexRemoveTool.exe"
+    $URL = "https://www.cisco.com/c/dam/en/us/td/docs/collaboration/webex_centers/Collaboration-Help/TS-Help-Portal-Support-Utilities/CiscoWebexRemovalTool/CiscoWebexRemoveTool.exe"
+    Invoke-WebRequest -UseBasicParsing $URL -OutFile "$Env:windir\NCentral\Cache\$Tool"
+    Get-Process "Outlook" -ErrorAction SilentlyContinue | ForEach-Object { Stop-Process $_ -Force -ErrorAction SilentlyContinue }
+    "$Env:windir\NCentral\Cache\$Tool /s" | cmd
+}
+
+#Region Script Start
+If ((Test-Path "C:\Temp\Script Cache") -eq $False) { New-Item -ItemType directory -Path "C:\Temp\Script Cache" }
+Invoke-WebRequest -UseBasicParsing "https://scripts.gabesville.com/Gabesville/Powershell-Scripts/raw/branch/main/Functions%20Scripts/Functions.ps1" -outfile "C:\Temp\Script Cache\Functions.ps1"
+. "C:\Temp\Script Cache\Functions.ps1"
+
+#Check to see if program is installed
+$Applist = Get-Software | Sort-Object -Descending
+
+If ($Applist | Where-Object { $_.DisplayName -eq $App_Name }) {
+    Uninstall-App_WMIobject
+    Start-Sleep 30
+    If (Get-Software | Where-Object { $_.DisplayName -eq $App_Name }) {
+        Uninstall-App
+    }
+    Uninstall-App3
+    Test-Uninstall
+}
+Else { 
+    Write-Output "$App_Name msi is not installed"
+    Test-Uninstall
+}
+#Region Script End