diff --git a/build.xml b/build.xml
index b330622e..8d88ecaf 100644
--- a/build.xml
+++ b/build.xml
@@ -209,7 +209,7 @@
 	<target name="appbundle" description="Build an OSX application bundle">
 		<taskdef name="bundleapp" classname="com.oracle.appbundler.AppBundlerTask" classpath="${dir.lib}/build/appbundler.jar" />
 
-		<bundleapp minimumsystemversion="10.8" outputdirectory="${dir.dist}" name="${title}" displayname="${title}" shortversion="${version}" identifier="net.sourceforge.FileBot" mainclassname="net.filebot.Main" icon="${dir.installer}/appbundle/filebot.icns" copyright="2015 Reinhard Pointner" applicationcategory="public.app-category.productivity">
+		<bundleapp minimumsystemversion="10.8" outputdirectory="${dir.dist}" name="${title}" displayname="${title}" shortversion="${version}" identifier="net.sourceforge.FileBot" mainclassname="net.filebot.Main" icon="${dir.installer}/appbundle/filebot.icns" copyright="2015 Reinhard Pointner" applicationcategory="public.app-category.productivity" supportsautomaticgraphicsswitching="true">
 			<classpath file="${path.fatjar}" />
 			<librarypath dir="${dir.lib}/native/mac-x86_64" />
 			<arch name="x86_64" />
@@ -259,7 +259,7 @@
 		<property name="jre.version" value="jdk1.8.0_45.jdk" />
 		<property name="jre.path" value="/Library/Java/JavaVirtualMachines/${jre.version}/Contents/Home" />
 
-		<bundleapp minimumsystemversion="10.8" executablename="FileBotAppLauncher" version="${svn.revision}" outputdirectory="${dir.dist}" name="${title}" displayname="${title}" shortversion="${version}" identifier="net.filebot.FileBot" mainclassname="net.filebot.Main" icon="${dir.installer}/appbundle/filebot.icns" copyright="2015 Reinhard Pointner" applicationcategory="public.app-category.productivity" supportsautomaticgraphicsswitching="false">
+		<bundleapp minimumsystemversion="10.8" executablename="FileBotAppLauncher" version="${svn.revision}" outputdirectory="${dir.dist}" name="${title}" displayname="${title}" shortversion="${version}" identifier="net.filebot.FileBot" mainclassname="net.filebot.Main" icon="${dir.installer}/appbundle/filebot.icns" copyright="2015 Reinhard Pointner" applicationcategory="public.app-category.productivity" supportsautomaticgraphicsswitching="true">
 			<classpath file="${path.fatjar}" />
 			<librarypath dir="${dir.lib}/native/mac-x86_64" />
 			<arch name="x86_64" />
@@ -366,7 +366,7 @@
 	<target name="ubuntu-debsrc" depends="svn-update, fatjar">
 		<property name="jre.version" value="jdk-8u45" />
 		<property name="jre.dir" value="${basedir}/jre" />
-		
+
 		<property name="path.tarbin" location="${dir.dist}/filebot-${version}-tarbin.tar.gz" />
 		<property name="path.debsrc" location="${dir.dist}/filebot-${version}-debsrc.tar.gz" />
 		<property name="dir.debsrc" location="${dir.dist}/debian-source-package/filebot/filebot-${version}" />
@@ -534,7 +534,7 @@
 
 			<icon size="72" file="${dir.installer}/icons/icon72.png" />
 			<icon size="256" file="${dir.installer}/icons/icon256.png" />
-			
+
 			<package file="${path.fatjar}" fullpath="FileBot.jar" />
 			<package dir="${dir.installer}/spk/package" includes="*.sh" filemode="755" />
 			<scripts dir="${dir.installer}/spk/scripts" filemode="755" />
diff --git a/source/net/filebot/UserFiles.java b/source/net/filebot/UserFiles.java
index 97fc28f0..4280c42b 100644
--- a/source/net/filebot/UserFiles.java
+++ b/source/net/filebot/UserFiles.java
@@ -17,7 +17,6 @@ import java.util.concurrent.Callable;
 import java.util.concurrent.FutureTask;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import java.util.prefs.Preferences;
 
 import javax.swing.JFileChooser;
 
@@ -201,30 +200,30 @@ public class UserFiles {
 
 		COCOA {
 
-			private final String KEY_NSOPENPANEL_BROKEN = "NSOPENPANEL_BROKEN";
+			// private final String KEY_NSOPENPANEL_BROKEN = "NSOPENPANEL_BROKEN";
 
 			@Override
 			public List<File> showLoadDialogSelectFiles(boolean folderMode, boolean multiSelection, File defaultFile, ExtensionFileFilter filter, String title, ActionEvent evt) {
 				// directly use NSOpenPanel for via Objective-C bridge for FILES_AND_DIRECTORIES mode
 				if (folderMode && filter != null) {
 					// NSOpenPanel causes deadlocks on some machines
-					Preferences persistence = Preferences.userNodeForPackage(UserFiles.class);
-					if (!persistence.getBoolean(KEY_NSOPENPANEL_BROKEN, false)) {
-						try {
-							// assume that NSOpenPanel may freeze the application until it is killed, and make sure to not use NSOpenPanel on subsequent runs
-							persistence.putBoolean(KEY_NSOPENPANEL_BROKEN, true);
-							persistence.flush();
+					// Preferences persistence = Preferences.userNodeForPackage(UserFiles.class);
+					// if (!persistence.getBoolean(KEY_NSOPENPANEL_BROKEN, false)) {
+					try {
+						// assume that NSOpenPanel may freeze the application until it is killed, and make sure to not use NSOpenPanel on subsequent runs
+						// persistence.putBoolean(KEY_NSOPENPANEL_BROKEN, true);
+						// persistence.flush();
 
-							// call native NSOpenPanel openPanel via Objective-C bridge
-							return MacAppUtilities.NSOpenPanel_openPanel_runModal(title, true, true, true, filter.acceptAny() ? null : filter.extensions());
-						} catch (Throwable e) {
-							Logger.getLogger(UserFiles.class.getName()).log(Level.WARNING, e.toString());
-						} finally {
-							persistence.putBoolean(KEY_NSOPENPANEL_BROKEN, false); // NSOpenPanel did not freeze application
-						}
-					} else {
-						Logger.getLogger(UserFiles.class.getName()).log(Level.WARNING, "NSOpenPanel broken. Using AWT implementation instead.");
+						// call native NSOpenPanel openPanel via Objective-C bridge
+						return MacAppUtilities.NSOpenPanel_openPanel_runModal(title, true, true, true, filter.acceptAny() ? null : filter.extensions());
+					} catch (Throwable e) {
+						Logger.getLogger(UserFiles.class.getName()).log(Level.WARNING, e.toString());
+					} finally {
+						// persistence.putBoolean(KEY_NSOPENPANEL_BROKEN, false); // NSOpenPanel did not freeze application
 					}
+					// } else {
+					// Logger.getLogger(UserFiles.class.getName()).log(Level.WARNING, "NSOpenPanel broken. Using AWT implementation instead.");
+					// }
 				}
 
 				// default to AWT implementation