diff --git a/Document.mm b/Document.mm
index c59fbe5..ca0dd48 100644
--- a/Document.mm
+++ b/Document.mm
@@ -455,18 +455,22 @@ - (void)handleThreadStateChanged:(NSNotification *)notification
     {
       if (OSAtomicIncrement32(&threadCount) == 1)
       {
-        [progressIndicator setUsesThreadedAnimation:YES];
-        [progressIndicator startAnimation:nil];
-        [stopButton setHidden:NO];
+        dispatch_async(dispatch_get_main_queue(), ^{
+          [progressIndicator setUsesThreadedAnimation:YES];
+          [progressIndicator startAnimation:nil];
+          [stopButton setHidden:NO];
+        });
       }
     }
     else if ([threadState isEqualToString:MVStatusTaskTerminated] == YES)
     {
       if (OSAtomicDecrement32(&threadCount) == 0)
       {
-        [progressIndicator stopAnimation:nil]; 
-        [statusText setStringValue:@""];
-        [stopButton setHidden:YES];
+        dispatch_async(dispatch_get_main_queue(), ^{
+          [progressIndicator stopAnimation:nil];
+          [statusText setStringValue:@""];
+          [stopButton setHidden:YES];
+        });
       }
     }
   }
diff --git a/Info.plist b/Info.plist
index d09111f..4d29b82 100644
--- a/Info.plist
+++ b/Info.plist
@@ -3,9 +3,9 @@
 <plist version="1.0">
 <dict>
 	<key>CFBuildDate</key>
-	<string>Thu Apr 23 12:18:08 WEST 2015</string>
+	<string>Fri Mar 15 12:38:20 CST 2019</string>
 	<key>CFBuildNumber</key>
-	<string>9121</string>
+	<string>9124</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>English</string>
 	<key>CFBundleDocumentTypes</key>
@@ -44,7 +44,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>9121</string>
+	<string>9124</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.developer-tools</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/machoview.xcodeproj/project.pbxproj b/machoview.xcodeproj/project.pbxproj
index afa40ac..d9d87e8 100644
--- a/machoview.xcodeproj/project.pbxproj
+++ b/machoview.xcodeproj/project.pbxproj
@@ -686,6 +686,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				CONFIGURATION_TEMP_DIR = "$(inherited)";
@@ -726,7 +727,7 @@
 				);
 				PRIVATE_HEADERS_FOLDER_PATH = "";
 				PRODUCT_NAME = MachOView;
-				SDKROOT = macosx10.9;
+				SDKROOT = macosx;
 				USER_HEADER_SEARCH_PATHS = "";
 				VALID_ARCHS = "$(inherited)";
 				VERSIONING_SYSTEM = "";
@@ -738,6 +739,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				CONFIGURATION_TEMP_DIR = "$(inherited)";
@@ -781,7 +783,7 @@
 				);
 				PRIVATE_HEADERS_FOLDER_PATH = "";
 				PRODUCT_NAME = MachOView;
-				SDKROOT = macosx10.9;
+				SDKROOT = macosx;
 				SKIP_INSTALL = NO;
 				USER_HEADER_SEARCH_PATHS = "";
 				VALID_ARCHS = "$(inherited)";
diff --git a/machoview.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/machoview.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..919434a
--- /dev/null
+++ b/machoview.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
diff --git a/machoview.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/machoview.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/machoview.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/machoview.xcodeproj/project.xcworkspace/xcuserdata/hotch.xcuserdatad/UserInterfaceState.xcuserstate b/machoview.xcodeproj/project.xcworkspace/xcuserdata/hotch.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..f9c0c30
Binary files /dev/null and b/machoview.xcodeproj/project.xcworkspace/xcuserdata/hotch.xcuserdatad/UserInterfaceState.xcuserstate differ