diff --git a/FlatCAMObj.py b/FlatCAMObj.py
index 253ff3c4..d1f3dbc3 100644
--- a/FlatCAMObj.py
+++ b/FlatCAMObj.py
@@ -1014,8 +1014,12 @@ class FlatCAMGeometry(FlatCAMObj, Geometry):
             self.app.inform.emit("Done.")
 
         def job_thread(app_obj):
-            name = self.options["name"] + "_paint"
-            app_obj.new_object("geometry", name, gen_paintarea)
+            try:
+                name = self.options["name"] + "_paint"
+                app_obj.new_object("geometry", name, gen_paintarea)
+            except Exception as e:
+                proc.done()
+                raise e
             proc.done()
 
         self.app.inform.emit("Polygon Paint started ...")
@@ -1058,9 +1062,10 @@ class FlatCAMGeometry(FlatCAMObj, Geometry):
 
         # To be run in separate thread
         def job_thread(app_obj):
-            app_obj.new_object("cncjob", outname, job_init)
-            app_obj.inform.emit("CNCjob created: %s" % outname)
-            app_obj.progress.emit(100)
+            with self.app.proc_container.new("Generating CNC Job."):
+                app_obj.new_object("cncjob", outname, job_init)
+                app_obj.inform.emit("CNCjob created: %s" % outname)
+                app_obj.progress.emit(100)
 
         # Send to worker
         self.app.worker_task.emit({'fcn': job_thread, 'params': [self.app]})
diff --git a/FlatCAMWorker.py b/FlatCAMWorker.py
index b0b6c720..6625769a 100644
--- a/FlatCAMWorker.py
+++ b/FlatCAMWorker.py
@@ -30,4 +30,6 @@ class Worker(QtCore.QObject):
 
         if 'worker_name' not in task and self.name is None:
             task['fcn'](*task['params'])
-            return
\ No newline at end of file
+            return
+
+        FlatCAMApp.App.log.debug("Task ignored.")
\ No newline at end of file
diff --git a/camlib.py b/camlib.py
index 9467b019..48bcf8d1 100644
--- a/camlib.py
+++ b/camlib.py
@@ -331,6 +331,7 @@ class Geometry(object):
         :return:
         """
 
+        log.debug("camlib.clear_polygon()")
         assert type(polygon) == Polygon
 
         ## The toolpaths
@@ -401,6 +402,8 @@ class Geometry(object):
         :return: List of toolpaths covering polygon.
         """
 
+        log.debug("camlib.clear_polygon2()")
+
         # Current buffer radius
         radius = tooldia / 2 * (1 - overlap)