Update enable-bitlocker.ps1

enable-bitlocker.ps1

@@ -11,6 +11,9 @@ if ($bitlockerStatus.ProtectionStatus -eq "On") {
     exit 0
 }
 
+# Add Windows Forms assembly
+Add-Type -AssemblyName System.Windows.Forms
+
 # Prompt user to select save location for recovery key
 $saveDialog = New-Object System.Windows.Forms.SaveFileDialog
 $saveDialog.Filter = "Text Files (*.txt)|*.txt"
@@ -55,4 +58,4 @@ Please keep this file in a safe place. You will need this key to recover your da
 } else {
     Write-Warning "Operation cancelled by user"
     exit 0
-} 
+}