diff --git a/src/gui/DamarisGUI.py b/src/gui/DamarisGUI.py
index 0188ec4..c4dc3c4 100644
--- a/src/gui/DamarisGUI.py
+++ b/src/gui/DamarisGUI.py
@@ -81,7 +81,7 @@ from damaris.data import DataPool, Accumulation, ADC_Result, MeasurementResult
 debug = False
 
 # version info
-__version__ = "0.18-0-$Revision$"
+__version__ = "0.18.1"
 
 
 class logstream:
@@ -449,7 +449,7 @@ class DamarisGUI:
             self.log.textbuffer.create_mark( "lastdumped", self.log.textbuffer.get_end_iter( ), left_gravity=True )
 
         loop_run=0
-        interval = 2
+        interval = 0.1
         self.id = self.lockfile.add_experiment()
         while not self.lockfile.am_i_next():
             time.sleep(interval)
@@ -558,6 +558,7 @@ class DamarisGUI:
                     print "experiment script finished"
                 self.si.exp_handling = None
             else:
+                #print self.si.back_driver.get_messages()
                 e_text = "Experiment Script Running (%d)" % e
 
         if self.si.res_handling is not None:
@@ -765,7 +766,7 @@ class DamarisGUI:
                         os.mkdir( dir_trunk )
                 except OSError, e:
                     print e
-                    print "coud not create dump directory '%s', so hdf5 dumps disabled" % dir_trunk
+                    print "could not create dump directory '%s', so hdf5 dumps disabled" % dir_trunk
                     self.dump_filename = ""
                     self.dump_timeinterval = 0
                     return True
@@ -817,7 +818,7 @@ class DamarisGUI:
 
         if dump_file is None:
             # exit!
-            print "coud not create dump directory '%s', so hdf5 dumps disabled" % dir_trunk
+            print "could not create dump directory '%s', so hdf5 dumps disabled" % dir_trunk
             self.dump_filename = ""
             self.dump_timeinterval = 0
             return True