Revert self-elevation changes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1-estudio-Install-TacticalRMM-and-RustDesk.ps1

@@ -26,27 +26,6 @@ $rustdeskService    = 'ScoutIT-RemoteSupport'
 function Install-RustDesk {
     $msiPath = "$env:SystemRoot\Temp\$rustdeskMsi"
 
-    # Uninstall any existing version first (prevents MSI upgrade elevation failure)
-    $uninstallKeys = @(
-        'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*',
-        'HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
-    )
-    foreach ($key in $uninstallKeys) {
-        Get-ItemProperty $key -ErrorAction SilentlyContinue |
-        Where-Object { $_.DisplayName -match 'ScoutIT-RemoteSupport|ScoutIT RemoteSupport|rustdesk' -or
-                       $_.Publisher   -match 'scoutit|rustdesk' } |
-        ForEach-Object {
-            $productCode = $_.PSChildName
-            Write-Host "Found existing install: $($_.DisplayName) [$productCode] - uninstalling..."
-            Stop-Service -Name $rustdeskService -Force -ErrorAction SilentlyContinue
-            Start-Process -FilePath "msiexec.exe" `
-                          -ArgumentList "/x `"$productCode`" /qn /norestart" `
-                          -Wait
-            Start-Sleep -Seconds 10
-            Write-Host "Existing version removed."
-        }
-    }
-
     # Download
     Write-Host "Downloading ScoutIT Remote Support client..."
     Try {

2-estudio-Install-RustDesk-Standalone.ps1

@@ -9,26 +9,11 @@ $rustdeskService    = 'ScoutIT-RemoteSupport'
 
 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
 
-# ── Uninstall any existing version first (prevents MSI upgrade elevation failure) ─
-$uninstallKeys = @(
-    'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*',
-    'HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
-)
-foreach ($key in $uninstallKeys) {
-    Get-ItemProperty $key -ErrorAction SilentlyContinue |
-    Where-Object { $_.DisplayName -match 'ScoutIT-RemoteSupport|ScoutIT RemoteSupport|rustdesk' -or
-                   $_.Publisher   -match 'scoutit|rustdesk' } |
-    ForEach-Object {
-        $productCode = $_.PSChildName
-        Write-Host "Found existing install: $($_.DisplayName) [$productCode] - uninstalling..."
-        # Stop the service first so MSI uninstall doesn't hang
-        Stop-Service -Name $rustdeskService -Force -ErrorAction SilentlyContinue
-        Start-Process -FilePath "msiexec.exe" `
-                      -ArgumentList "/x `"$productCode`" /qn /norestart" `
-                      -Wait
-        Start-Sleep -Seconds 10
-        Write-Host "Existing version removed."
-    }
+# ── Check if already installed ────────────────────────────────────────────────
+$svcCheck = Get-Service -Name $rustdeskService -ErrorAction SilentlyContinue
+if ($null -ne $svcCheck) {
+    Write-Host "ScoutIT Remote Support is already installed. Exiting."
+    exit 0
 }
 
 # ── Download ──────────────────────────────────────────────────────────────────