diff --git a/setup/migrate/steps/migrateDatabase.php b/setup/migrate/steps/migrateDatabase.php
index ba62d78..d304329 100644
--- a/setup/migrate/steps/migrateDatabase.php
+++ b/setup/migrate/steps/migrateDatabase.php
@@ -152,6 +152,8 @@ class migrateDatabase extends Step
 			if(!empty($fileContents)) {
 				$this->sqlDumpFile = realpath($sqlFile); // Store location of dump
 				return true;
+			} else {
+				unlink($sqlFile);
 			}
 		}
 		$noFile = true;
diff --git a/setup/migrate/steps/migrateInstallation.php b/setup/migrate/steps/migrateInstallation.php
index 1ce9ea1..72ed725 100644
--- a/setup/migrate/steps/migrateInstallation.php
+++ b/setup/migrate/steps/migrateInstallation.php
@@ -128,7 +128,7 @@ class migrateInstallation extends step
 
     public function detectInstallation() {
     	if(WINDOWS_OS) {
-    		$knownWindowsLocations = array("C:\Program Files\ktdms"=>"C:\Program Files\ktdms\knowledgeTree\config\config-path","C:\Program Files x86\ktdms"=>"C:\Program Files (x86)\ktdms\knowledgeTree\config\config-path","C:\ktdms"=>"C:\ktdms\knowledgeTree\config\config-path");
+    		$knownWindowsLocations = array("C:\Program Files\ktdms"=>"C:\Program Files\ktdms\knowledgeTree\config\config-path","C:\Program Files (x86)\ktdms"=>"C:\Program Files (x86)\ktdms\knowledgeTree\config\config-path","C:\ktdms"=>"C:\ktdms\knowledgeTree\config\config-path");
     		foreach ($knownWindowsLocations as $loc=>$configPath) {
     			if(file_exists($configPath))
     				$this->location = $loc;