diff --git a/AsbCloudApp/Data/BackgroundWorkDto.cs b/AsbCloudApp/Data/BackgroundWorkDto.cs
index b2a3d161..9d4f2105 100644
--- a/AsbCloudApp/Data/BackgroundWorkDto.cs
+++ b/AsbCloudApp/Data/BackgroundWorkDto.cs
@@ -172,7 +172,7 @@ namespace AsbCloudApp.Data
             if (progress.HasValue)
                 CurrentState.Progress = progress.Value;
 
-            Trace.TraceInformation($"{WorkNameForTrace} state: {newState}");
+            Trace.TraceInformation($"{WorkNameForTrace} state: {newState} [{100*progress:#}%]");
         }
 
         /// <summary>
diff --git a/AsbCloudInfrastructure/Background/BackgroundWorker.cs b/AsbCloudInfrastructure/Background/BackgroundWorker.cs
index 0b563ae7..101a8273 100644
--- a/AsbCloudInfrastructure/Background/BackgroundWorker.cs
+++ b/AsbCloudInfrastructure/Background/BackgroundWorker.cs
@@ -19,7 +19,7 @@ public class BackgroundWorker : BackgroundService
     public WorkStore WorkStore { get; } = new WorkStore();
     public Work? CurrentWork;
 
-    public Exception? MainLoopLastException { get; private set; } = null;
+    public string MainLoopLastException { get; private set; } = string.Empty;
 
     public BackgroundWorker(IServiceProvider serviceProvider)
     {
@@ -54,14 +54,13 @@ public class BackgroundWorker : BackgroundService
             }
             catch (Exception ex)
             {
-                MainLoopLastException = ex;
-                var mainLoopLastException = $"BackgroundWorker " +
+                MainLoopLastException = $"BackgroundWorker " +
                     $"MainLoopLastException: \r\n" +
                     $"date: {DateTime.Now:O}\r\n" +
                     $"message: {ex.Message}\r\n" +
                     $"inner: {ex.InnerException?.Message}\r\n" +
                     $"stackTrace: {ex.StackTrace}";
-                Trace.TraceError(mainLoopLastException);
+                Trace.TraceError(MainLoopLastException);
             }
         }
     }