Index: Abstract.php
===================================================================
--- Abstract.php	(revision 16969)
+++ Abstract.php	(working copy)
@@ -120,11 +120,14 @@
         }
 
         $profile = new Zend_Tool_Project_Profile();
-        
-        $parentDirectoriesArray = split(DIRECTORY_SEPARATOR, ltrim($projectDirectory, DIRECTORY_SEPARATOR));
+        $parentDirectoriesArray = split(preg_quote(DIRECTORY_SEPARATOR), ltrim($projectDirectory, DIRECTORY_SEPARATOR));
         while ($parentDirectoriesArray) {
-            $projectDirectoryAssembled = DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, $parentDirectoriesArray);
+            $projectDirectoryAssembled = implode(DIRECTORY_SEPARATOR, $parentDirectoriesArray);
             
+            if (DIRECTORY_SEPARATOR != "\\") { // Seems to be a windows path
+              $projectDirectoryAssembled = DIRECTORY_SEPARATOR . $projectDirectoryAssembled;
+            }
+            
             $profile->setAttribute('projectDirectory', $projectDirectoryAssembled);
             if ($profile->isLoadableFromFile()) {
                 chdir($projectDirectoryAssembled);