diff --git a/Spine/Exporters/CustomFFmpegExporter.cs b/Spine/Exporters/CustomFFmpegExporter.cs
index 7f420c6..016ae49 100644
--- a/Spine/Exporters/CustomFFmpegExporter.cs
+++ b/Spine/Exporters/CustomFFmpegExporter.cs
@@ -92,7 +92,7 @@ namespace Spine.Exporters
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to export {0} {1}, {2}", _format, output, ex.Message);
             }
         }
diff --git a/Spine/Exporters/FFmpegVideoExporter.cs b/Spine/Exporters/FFmpegVideoExporter.cs
index b52d0ab..860e397 100644
--- a/Spine/Exporters/FFmpegVideoExporter.cs
+++ b/Spine/Exporters/FFmpegVideoExporter.cs
@@ -144,7 +144,7 @@ namespace Spine.Exporters
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to export {0} {1}, {2}", _format, output, ex.Message);
             }
         }
diff --git a/Spine/Exporters/FrameSequenceExporter.cs b/Spine/Exporters/FrameSequenceExporter.cs
index 9fd035a..f512bc6 100644
--- a/Spine/Exporters/FrameSequenceExporter.cs
+++ b/Spine/Exporters/FrameSequenceExporter.cs
@@ -47,7 +47,7 @@ namespace Spine.Exporters
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to save frame {0}, {1}", savePath, ex.Message);
                 }
                 finally
diff --git a/Spine/Implementations/V21/SpineObjectData21.cs b/Spine/Implementations/V21/SpineObjectData21.cs
index d4a39c4..ad009f2 100644
--- a/Spine/Implementations/V21/SpineObjectData21.cs
+++ b/Spine/Implementations/V21/SpineObjectData21.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V21
             }
             catch (Exception ex) 
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'"); 
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V21
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V21
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V21
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V34/SpineObjectData34.cs b/Spine/Implementations/V34/SpineObjectData34.cs
index ae31a3a..174040f 100644
--- a/Spine/Implementations/V34/SpineObjectData34.cs
+++ b/Spine/Implementations/V34/SpineObjectData34.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V34
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V34
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V34
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V34
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V35/SpineObjectData35.cs b/Spine/Implementations/V35/SpineObjectData35.cs
index 4b29545..23a9a7e 100644
--- a/Spine/Implementations/V35/SpineObjectData35.cs
+++ b/Spine/Implementations/V35/SpineObjectData35.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V35
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V35
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V35
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V35
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V36/SpineObjectData36.cs b/Spine/Implementations/V36/SpineObjectData36.cs
index e7846f7..96cbdef 100644
--- a/Spine/Implementations/V36/SpineObjectData36.cs
+++ b/Spine/Implementations/V36/SpineObjectData36.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V36
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V36
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V36
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V36
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V37/SpineObjectData37.cs b/Spine/Implementations/V37/SpineObjectData37.cs
index b8674b2..db5ce65 100644
--- a/Spine/Implementations/V37/SpineObjectData37.cs
+++ b/Spine/Implementations/V37/SpineObjectData37.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V37
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V37
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V37
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V37
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V38/SpineObjectData38.cs b/Spine/Implementations/V38/SpineObjectData38.cs
index 680d43c..e1069de 100644
--- a/Spine/Implementations/V38/SpineObjectData38.cs
+++ b/Spine/Implementations/V38/SpineObjectData38.cs
@@ -37,7 +37,7 @@ namespace Spine.Implementations.V38
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -51,7 +51,7 @@ namespace Spine.Implementations.V38
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -63,7 +63,7 @@ namespace Spine.Implementations.V38
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -71,7 +71,7 @@ namespace Spine.Implementations.V38
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V40/SpineObjectData40.cs b/Spine/Implementations/V40/SpineObjectData40.cs
index b02a489..7df752e 100644
--- a/Spine/Implementations/V40/SpineObjectData40.cs
+++ b/Spine/Implementations/V40/SpineObjectData40.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V40
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V40
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V40
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V40
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V41/SpineObjectData41.cs b/Spine/Implementations/V41/SpineObjectData41.cs
index 25ede0d..b1ec552 100644
--- a/Spine/Implementations/V41/SpineObjectData41.cs
+++ b/Spine/Implementations/V41/SpineObjectData41.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V41
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V41
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V41
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V41
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/Implementations/V42/SpineObjectData42.cs b/Spine/Implementations/V42/SpineObjectData42.cs
index 95afa35..5a07967 100644
--- a/Spine/Implementations/V42/SpineObjectData42.cs
+++ b/Spine/Implementations/V42/SpineObjectData42.cs
@@ -36,7 +36,7 @@ namespace Spine.Implementations.V42
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
             }
 
@@ -50,7 +50,7 @@ namespace Spine.Implementations.V42
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +62,7 @@ namespace Spine.Implementations.V42
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -70,7 +70,7 @@ namespace Spine.Implementations.V42
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
diff --git a/Spine/SpineExtension.cs b/Spine/SpineExtension.cs
index 9d04db8..c8bc5a6 100644
--- a/Spine/SpineExtension.cs
+++ b/Spine/SpineExtension.cs
@@ -269,7 +269,7 @@ namespace Spine
 
             if (hit && LogHitSlots)
             {
-                _logger.Debug("Hit ({0}): [{1}]", self.Name, hitSlotName);
+                _logger.Info("Hit ({0}): [{1}]", self.Name, hitSlotName);
             }
             return hit;
         }
diff --git a/Spine/SpineObject.cs b/Spine/SpineObject.cs
index c911521..f1aef2d 100644
--- a/Spine/SpineObject.cs
+++ b/Spine/SpineObject.cs
@@ -82,7 +82,7 @@ namespace Spine
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Warn("Failed to detect version for skel {0}, try all available versions", skelPath);
                 }
             }
@@ -118,7 +118,7 @@ namespace Spine
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     throw new InvalidDataException($"Failed to load spine with version '{version}'");
                 }
             }
diff --git a/SpineViewer/App.xaml.cs b/SpineViewer/App.xaml.cs
index 9baa531..f8d57b0 100644
--- a/SpineViewer/App.xaml.cs
+++ b/SpineViewer/App.xaml.cs
@@ -33,8 +33,8 @@ namespace SpineViewer
 #endif
 
         public const string AutoRunFlag = "--autorun";
-        private const string MutexName = "__SpineViewerInstance__";
-        private const string PipeName = "__SpineViewerPipe__";
+        private const string MutexName = $"__{AppName}_Instance__";
+        private const string PipeName = $"_{AppName}_Pipe__";
 
         public static readonly string ProcessPath = Environment.ProcessPath;
         public static readonly string ProcessDirectory = Path.GetDirectoryName(Environment.ProcessPath);
@@ -62,7 +62,7 @@ namespace SpineViewer
             };
             TaskScheduler.UnobservedTaskException += (s, e) =>
             {
-                _logger.Trace(e.Exception.ToString());
+                _logger.Debug(e.Exception.ToString());
                 _logger.Error("Unobserved task exception: {0}", e.Exception.Message);
                 e.SetObserved();
             };
@@ -130,7 +130,7 @@ namespace SpineViewer
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to pass command line args to existed instance, {0}", ex.Message);
             }
         }
@@ -191,7 +191,7 @@ namespace SpineViewer
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to process arguments, {0}", ex.Message);
                     }
                 }
@@ -212,7 +212,7 @@ namespace SpineViewer
 
         private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
         {
-            _logger.Trace(e.Exception.ToString());
+            _logger.Debug(e.Exception.ToString());
             _logger.Error("Dispatcher unhandled exception: {0}", e.Exception.Message);
             e.Handled = true;
         }
@@ -231,7 +231,7 @@ namespace SpineViewer
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to query autorun registry key, {0}", ex.Message);
                     return false;
                 }
@@ -259,7 +259,7 @@ namespace SpineViewer
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to set autorun registry key, {0}", ex.Message);
                 }
             }
@@ -343,7 +343,7 @@ namespace SpineViewer
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to switch language to {0}, {1}", value, ex.Message);
                 }
             }
@@ -367,7 +367,7 @@ namespace SpineViewer
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to switch skin to {0}, {1}", value, ex.Message);
                 }
             }
diff --git a/SpineViewer/Utils/JsonHelper.cs b/SpineViewer/Utils/JsonHelper.cs
index f37c220..93788b2 100644
--- a/SpineViewer/Utils/JsonHelper.cs
+++ b/SpineViewer/Utils/JsonHelper.cs
@@ -65,7 +65,7 @@ namespace SpineViewer.Utils
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to read json file {0}, {1}", path, ex.Message);
                 }
             }
@@ -86,7 +86,7 @@ namespace SpineViewer.Utils
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to save json file {0}, {1}", path, ex.Message);
                 return false;
             }
@@ -101,7 +101,7 @@ namespace SpineViewer.Utils
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to serialize json object {0}", ex.Message);
                 return string.Empty;
             }
diff --git a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
index f1afde6..6ad0c87 100644
--- a/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs
@@ -112,7 +112,7 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
@@ -169,7 +169,7 @@ namespace SpineViewer.ViewModels.Exporters
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                     }
                 }
diff --git a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
index 446639e..f41b325 100644
--- a/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs
@@ -149,7 +149,7 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
@@ -206,7 +206,7 @@ namespace SpineViewer.ViewModels.Exporters
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                     }
                 }
diff --git a/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
index 839805c..70196e7 100644
--- a/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FrameExporterViewModel.cs
@@ -85,7 +85,7 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                 }
             }
@@ -121,7 +121,7 @@ namespace SpineViewer.ViewModels.Exporters
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                     }
                     done++;
diff --git a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
index cb547d5..0ef7507 100644
--- a/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
+++ b/SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs
@@ -76,7 +76,7 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
@@ -133,7 +133,7 @@ namespace SpineViewer.ViewModels.Exporters
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to export {0}, {1}", output, ex.Message);
                     }
                 }
diff --git a/SpineViewer/ViewModels/MainWindow/ExplorerListViewModel.cs b/SpineViewer/ViewModels/MainWindow/ExplorerListViewModel.cs
index 3a56496..bcb6813 100644
--- a/SpineViewer/ViewModels/MainWindow/ExplorerListViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/ExplorerListViewModel.cs
@@ -169,7 +169,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to generate preview: {0}, {1}", m.PreviewFilePath, ex.Message);
                 }
                 _logger.LogCurrentProcessMemoryUsage();
@@ -221,7 +221,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to generate preview: {0}, {1}", m.PreviewFilePath, ex.Message);
                     error++;
                 }
@@ -261,7 +261,7 @@ namespace SpineViewer.ViewModels.MainWindow
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to delete preview: {0}, {1}", m.PreviewFilePath, ex.Message);
                     }
                 }
@@ -302,7 +302,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to delete preview: {0}, {1}", m.PreviewFilePath, ex.Message);
                     error++;
                 }
@@ -340,7 +340,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to enumerate files in dir: {0}, {1}", _currentDirectory, ex.Message);
                 }
             }
@@ -408,7 +408,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Warn("Failed to load preview image for {0}, {1}", FullPath, ex.Message);
                     return null;
                 }
diff --git a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
index 5b07df6..9f2a823 100644
--- a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
@@ -76,7 +76,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 catch (Exception ex)
                 {
 
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to load some prefereneces, {0}", ex.Message);
                 }
             }
diff --git a/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs b/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
index e70f138..829df00 100644
--- a/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs
@@ -573,7 +573,7 @@ namespace SpineViewer.ViewModels.MainWindow
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Fatal("Render task stopped, {0}", ex.Message);
                 MessagePopupService.Error(ex.ToString());
             }
diff --git a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
index a6cda79..eb325f1 100644
--- a/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs
@@ -213,7 +213,7 @@ namespace SpineViewer.ViewModels.MainWindow
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to load: {0}, {1}", skelPath, ex.Message);
             }
             return false;
@@ -340,7 +340,7 @@ namespace SpineViewer.ViewModels.MainWindow
                     }
                     catch (Exception ex)
                     {
-                        _logger.Trace(ex.ToString());
+                        _logger.Debug(ex.ToString());
                         _logger.Error("Failed to reload spine {0}, {1}", sp.SkelPath, ex.Message);
                     }
                 }
@@ -401,7 +401,7 @@ namespace SpineViewer.ViewModels.MainWindow
                         catch (Exception ex)
                         {
                             error++;
-                            _logger.Trace(ex.ToString());
+                            _logger.Debug(ex.ToString());
                             _logger.Error("Failed to reload spine {0}, {1}", sp.SkelPath, ex.Message);
                         }
                     }
@@ -718,7 +718,7 @@ namespace SpineViewer.ViewModels.MainWindow
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Error("Failed to load: {0}, {1}", cfg.SkelPath, ex.Message);
             }
             return false;
diff --git a/SpineViewer/ViewModels/ProgressDialogViewModel.cs b/SpineViewer/ViewModels/ProgressDialogViewModel.cs
index 7bc3f9f..6c2a9cc 100644
--- a/SpineViewer/ViewModels/ProgressDialogViewModel.cs
+++ b/SpineViewer/ViewModels/ProgressDialogViewModel.cs
@@ -35,7 +35,7 @@ namespace SpineViewer.ViewModels
                 }
                 catch (Exception ex)
                 {
-                    _logger.Trace(ex.ToString());
+                    _logger.Debug(ex.ToString());
                     _logger.Error("Failed to finish work: {0}, {1}", _title, ex.Message);
                     WorkFinished?.Invoke(this, false);
                 }
diff --git a/SpineViewerCLI/SpineViewerCLI.cs b/SpineViewerCLI/SpineViewerCLI.cs
index 9bcbea3..36c2110 100644
--- a/SpineViewerCLI/SpineViewerCLI.cs
+++ b/SpineViewerCLI/SpineViewerCLI.cs
@@ -42,7 +42,7 @@ namespace SpineViewerCLI
             }
             catch (Exception ex)
             {
-                _logger.Trace(ex.ToString());
+                _logger.Debug(ex.ToString());
                 _logger.Fatal("Failed to execute, {0}", ex.Message);
                 return -1;
             }