diff --git a/bin/win32/installScheduler.php b/bin/win32/installScheduler.php
new file mode 100644
index 0000000..c5a28f8
--- /dev/null
+++ b/bin/win32/installScheduler.php
@@ -0,0 +1,11 @@
+<?php
+
+$dir = realpath(dirname(__FILE__) . '/schedulerService.php');
+
+win32_create_service(array(
+        'service' => 'ktscheduler',
+        'display' => 'KnowledgeTree Scheduler Service',
+        'params' => $dir
+    ));
+
+?>
\ No newline at end of file
diff --git a/bin/win32/schedulerService.php b/bin/win32/schedulerService.php
new file mode 100644
index 0000000..af4aa48
--- /dev/null
+++ b/bin/win32/schedulerService.php
@@ -0,0 +1,22 @@
+<?php
+
+
+$dir = realpath(dirname(__FILE__) . '/..');
+chdir($dir);
+
+$phpPath = realpath('../../../php/php.exe');
+if (!is_file($phpPath))
+{
+	die('Cannot find php.exe');
+}
+
+
+  win32_start_service_ctrl_dispatcher('ktscheduler');
+
+  while (WIN32_SERVICE_CONTROL_STOP != win32_get_last_control_message())
+  {
+	system("$phpPath scheduler.php");
+    sleep(60);
+  }
+
+?>
\ No newline at end of file
diff --git a/bin/win32/schedulerServiceStatus.php b/bin/win32/schedulerServiceStatus.php
new file mode 100644
index 0000000..930b0c9
--- /dev/null
+++ b/bin/win32/schedulerServiceStatus.php
@@ -0,0 +1,5 @@
+<?php
+
+var_dump(win32_query_service_status('ktscheduler'));
+
+?>
\ No newline at end of file
diff --git a/bin/win32/uninstallScheduler.php b/bin/win32/uninstallScheduler.php
new file mode 100644
index 0000000..47cd515
--- /dev/null
+++ b/bin/win32/uninstallScheduler.php
@@ -0,0 +1,5 @@
+<?php
+
+win32_delete_service('ktscheduler');
+
+?>
\ No newline at end of file
diff --git a/search2/indexing/extractors/ExifExtractor.inc.php b/search2/indexing/extractors/ExifExtractor.inc.php
new file mode 100644
index 0000000..12311fa
--- /dev/null
+++ b/search2/indexing/extractors/ExifExtractor.inc.php
@@ -0,0 +1,50 @@
+<?php
+
+class ExifExtractor extends DocumentExtractor
+{
+	public function getDisplayName()
+	{
+		return _kt('Exif Extractor');
+	}
+
+	public function getSupportedMimeTypes()
+	{
+		return array(
+			'image/tiff','image/jpeg'
+		);
+	}
+
+	public function extractTextContent()
+	{
+		$exif = exif_read_data($this->sourcefile, 0, true);
+		$content = '';
+		foreach ($exif as $key => $section)
+		{
+			foreach ($section as $name => $val)
+			{
+				if (is_numeric($val))
+				{
+					// no point indexing numeric content. it will be ignored anyways!
+					continue;
+				}
+				$content .= "$val\n";
+			}
+		}
+
+		$result = file_put_contents($this->targetfile, $content);
+
+		return false !== $result;
+	}
+
+	public function diagnose()
+	{
+		if (!function_exists('exif_read_data'))
+		{
+			return sprintf(_kt('The Exif extractor requires the module exif php extension. Please include this in the php.ini.'));
+		}
+
+		return null;
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/search2/indexing/extractors/PSExtractor.inc.php b/search2/indexing/extractors/PSExtractor.inc.php
index 5fca0c8..1b85470 100644
--- a/search2/indexing/extractors/PSExtractor.inc.php
+++ b/search2/indexing/extractors/PSExtractor.inc.php
@@ -9,8 +9,22 @@ class PSExtractor extends ApplicationExtractor
 
 	public function getSupportedMimeTypes()
 	{
+		if (OS_WINDOWS)
+		{
+			return array();
+		}
 		return array('application/postscript');
 	}
+
+	public function diagnose()
+	{
+		if (OS_WINDOWS)
+		{
+			return null;
+		}
+		return parent::diagnose();
+	}
+
 }
 
 ?>
\ No newline at end of file