diff --git a/Cura/gui/printWindow.py b/Cura/gui/printWindow.py
index 3ddc820..8123e61 100644
--- a/Cura/gui/printWindow.py
+++ b/Cura/gui/printWindow.py
@@ -7,6 +7,7 @@ from wx.lib import buttons
 from gui import icon
 from gui import toolbarUtil
 from gui import webcam
+from gui import taskbar
 from util import machineCom
 from util import profile
 from util import gcodeInterpreter
@@ -367,6 +368,7 @@ class printWindow(wx.Frame):
 			else:
 				status += 'Print time left: %02d:%02d\n' % (int(printTimeLeft / 60), int(printTimeLeft % 60))
 			self.progress.SetValue(self.machineCom.getPrintPos())
+			taskbar.setProgress(self, self.machineCom.getPrintPos(), len(self.gcodeList))
 		if self.machineCom != None:
 			if self.machineCom.getTemp() > 0:
 				status += 'Temp: %d\n' % (self.machineCom.getTemp())
@@ -384,6 +386,7 @@ class printWindow(wx.Frame):
 			self.machineCom.close()
 		self.machineCom = machineCom.MachineCom(callbackObject=self)
 		self.UpdateButtonStates()
+		taskbar.setBusy(self, True)
 	
 	def OnLoad(self, e):
 		pass
@@ -525,8 +528,15 @@ class printWindow(wx.Frame):
 			wx.CallAfter(self.bedTemperatureSelect.SetValue, bedTargetTemp)
 	
 	def mcStateChange(self, state):
-		if self.machineCom != None and state == self.machineCom.STATE_OPERATIONAL and self.cam != None:
-			self.cam.endTimelaps()
+		if self.machineCom != None:
+			if state == self.machineCom.STATE_OPERATIONAL and self.cam != None:
+				self.cam.endTimelaps()
+			if state == self.machineCom.STATE_OPERATIONAL:
+				taskbar.setBusy(self, False)
+			if self.machineCom.isClosedOrError():
+				taskbar.setBusy(self, False)
+			if self.machineCom.isPaused():
+				taskbar.setPause(self, True)
 		wx.CallAfter(self.UpdateButtonStates)
 		wx.CallAfter(self.UpdateProgress)
 	
diff --git a/Cura/gui/taskbar.py b/Cura/gui/taskbar.py
new file mode 100644
index 0000000..f22e721
--- /dev/null
+++ b/Cura/gui/taskbar.py
@@ -0,0 +1,40 @@
+try:
+	import comtypes.client as cc
+	cc.GetModule('taskbarlib.tlb')
+	import comtypes.gen.TaskbarLib as tbl
+
+	ITaskbarList3 = cc.CreateObject("{56FDF344-FD6D-11d0-958A-006097C9A090}", interface=tbl.ITaskbarList3)
+	ITaskbarList3.HrInit()
+
+	#Stops displaying progress and returns the button to its normal state. Call this method with this flag to dismiss the progress bar when the operation is complete or canceled.
+	TBPF_NOPROGRESS = 0x00000000
+	#The progress indicator does not grow in size, but cycles repeatedly along the length of the taskbar button. This indicates activity without specifying what proportion of the progress is complete. Progress is taking place, but there is no prediction as to how long the operation will take.
+	TBPF_INDETERMINATE = 0x00000001
+	#The progress indicator grows in size from left to right in proportion to the estimated amount of the operation completed. This is a determinate progress indicator; a prediction is being made as to the duration of the operation.
+	TBPF_NORMAL = 0x00000002
+	#The progress indicator turns red to show that an error has occurred in one of the windows that is broadcasting progress. This is a determinate state. If the progress indicator is in the indeterminate state, it switches to a red determinate display of a generic percentage not indicative of actual progress.
+	TBPF_ERROR = 0x00000004
+	#The progress indicator turns yellow to show that progress is currently stopped in one of the windows but can be resumed by the user. No error condition exists and nothing is preventing the progress from continuing. This is a determinate state. If the progress indicator is in the indeterminate state, it switches to a yellow determinate display of a generic percentage not indicative of actual progress.
+	TBPF_PAUSED = 0x00000008
+except:
+	#The taskbar API is only available for Windows7, on lower windows versions, linux or Mac it will cause an exception. Ignore the exception and don't use the API
+	ITaskbarList3 = None
+
+def setBusy(frame, busy):
+	if ITaskbarList3 != None:
+		if busy:
+			ITaskbarList3.SetProgressState(frame.GetHandle(), TBPF_INDETERMINATE)
+		else:
+			ITaskbarList3.SetProgressState(frame.GetHandle(), TBPF_NOPROGRESS)
+
+def setPause(frame, pause):
+	if ITaskbarList3 != None:
+		if pause:
+			ITaskbarList3.SetProgressState(frame.GetHandle(), TBPF_PAUSED)
+		else:
+			ITaskbarList3.SetProgressState(frame.GetHandle(), TBPF_NORMAL)
+
+def setProgress(frame, done, total):
+	if ITaskbarList3 != None:
+		ITaskbarList3.SetProgressState(frame.GetHandle(), TBPF_NORMAL)
+		ITaskbarList3.SetProgressValue(frame.GetHandle(), done, total)
diff --git a/Cura/gui/taskbarlib.tlb b/Cura/gui/taskbarlib.tlb
new file mode 100644
index 0000000..93eb0ae
Binary files /dev/null and b/Cura/gui/taskbarlib.tlb differ
diff --git a/Cura/util/machineCom.py b/Cura/util/machineCom.py
index c32e39c..1dec1a1 100644
--- a/Cura/util/machineCom.py
+++ b/Cura/util/machineCom.py
@@ -408,7 +408,10 @@ class MachineCom(object):
 		except:
 			#If the log queue is full, remove the first message and append the new message again
 			self._logQueue.get()
-			self._logQueue.put(message, False)
+			try:
+				self._logQueue.put(message, False)
+			except:
+				pass
 
 	def _readline(self):
 		if self._serial == None:
diff --git a/package.sh b/package.sh
index 16f2df6..29dc458 100755
--- a/package.sh
+++ b/package.sh
@@ -96,6 +96,7 @@ if [ $BUILD_TARGET = "win32" ]; then
 	downloadURL http://sourceforge.net/projects/numpy/files/NumPy/1.6.2/numpy-1.6.2-win32-superpack-python2.7.exe
 	downloadURL http://videocapture.sourceforge.net/VideoCapture-0.9-5.zip
 	downloadURL http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20120927-git-13f0cd6-win32-static.7z
+	downloadURL http://sourceforge.net/projects/comtypes/files/comtypes/0.6.2/comtypes-0.6.2.win32.exe
 	#Get pypy
 	downloadURL https://bitbucket.org/pypy/pypy/downloads/pypy-${PYPY_VERSION}-win32.zip
 else
@@ -130,6 +131,7 @@ if [ $BUILD_TARGET = "win32" ]; then
 	extract VideoCapture-0.9-5.zip VideoCapture-0.9-5/Python27/DLLs/vidcap.pyd
 	extract ffmpeg-20120927-git-13f0cd6-win32-static.7z ffmpeg-20120927-git-13f0cd6-win32-static/bin/ffmpeg.exe
 	extract ffmpeg-20120927-git-13f0cd6-win32-static.7z ffmpeg-20120927-git-13f0cd6-win32-static/licenses
+	extract comtypes-0.6.2.win32.exe
 	
 	mkdir -p ${TARGET_DIR}/python
 	mkdir -p ${TARGET_DIR}/Cura/
@@ -137,6 +139,7 @@ if [ $BUILD_TARGET = "win32" ]; then
 	mv \$_OUTDIR/Lib/site-packages/wx* ${TARGET_DIR}/python/Lib/site-packages/
 	mv PURELIB/serial ${TARGET_DIR}/python/Lib
 	mv PURELIB/OpenGL ${TARGET_DIR}/python/Lib
+	mv PURELIB/comtypes ${TARGET_DIR}/python/Lib
 	mv PLATLIB/numpy ${TARGET_DIR}/python/Lib
 	mv VideoCapture-0.9-5/Python27/DLLs/vidcap.pyd ${TARGET_DIR}/python/DLLs
 	mv ffmpeg-20120927-git-13f0cd6-win32-static/bin/ffmpeg.exe ${TARGET_DIR}/Cura/