Index: branches/RC/core/install.php
===================================================================
diff -u -N -r10924 -r11071
--- branches/RC/core/install.php	(.../install.php)	(revision 10924)
+++ branches/RC/core/install.php	(.../install.php)	(revision 11071)
@@ -135,7 +135,7 @@
 			// connect toolkit required for module installations to installator and via versa
 			require_once FULL_PATH . REL_PATH . '/install/install_toolkit.php';
 			$this->toolkit = new kInstallToolkit();
-			$this->toolkit->setInstallator(&$this);
+			$this->toolkit->setInstallator($this);
 
 			$this->StepDBFile = FULL_PATH.'/'.REL_PATH.'/install/steps_db.xml';
 
@@ -411,15 +411,19 @@
 					break;
 
 				case 'select_license':
-					if ($this->GetVar('license_source') == 2) {
+					$license_source = $this->GetVar('license_source');
+					if ($license_source == 2) {
 						// license from file -> file must be uploaded
 						$upload_error = $_FILES['license_file']['error'];
 						if ($upload_error != UPLOAD_ERR_OK) {
 							$this->errorMessage = 'Missing License File';
 						}
-
-						$status = $this->errorMessage == '';
 					}
+					elseif (!is_numeric($license_source)) {
+						$this->errorMessage = 'Please select license';
+					}
+
+					$status = $this->errorMessage == '';
 					break;
 
 				case 'root_password':