Merge branch 'master' into develop

Scripts/GUI/GetSystemUsesDarkMode.ps1

@@ -1,7 +1,14 @@
 # Checks if the system is set to use dark mode for apps
 function GetSystemUsesDarkMode {
     try {
-        return (Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize' -Name 'AppsUseLightTheme').AppsUseLightTheme -eq 0
+        $personalizeKey = Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize'
+
+        if ($null -eq $personalizeKey) {
+            Write-Host "WARNING: Unable to retrieve personalization settings." -ForegroundColor Yellow
+            return $false
+        }
+
+        return $personalizeKey.AppsUseLightTheme -eq 0
     }
     catch {
         return $false

Scripts/GUI/Show-MainWindow.ps1

@@ -831,6 +831,18 @@
                 }
             }
 
+        # When running as SYSTEM, the "Current User" option is not meaningful.
+        # Hide it from the dropdown and default to "Other User".
+        $isSystem = ([Security.Principal.WindowsIdentity]::GetCurrent().User.Value -eq 'S-1-5-18')
+        if ($isSystem -and $userSelectionCombo.Items.Count -gt 0) {
+            $currentUserItem = $userSelectionCombo.Items[0]
+            if ($currentUserItem -is [System.Windows.Controls.ComboBoxItem]) {
+                $currentUserItem.Visibility = 'Collapsed'
+                $currentUserItem.IsEnabled = $false
+            }
+            $userSelectionCombo.SelectedIndex = 1
+        }
+
             $restartExplorerCheckBox = $window.FindName('RestartExplorerCheckBox')
             if ($restartExplorerCheckBox -and $script:Params.ContainsKey("NoRestartExplorer")) {
                 $restartExplorerCheckBox.IsChecked = $false