diff --git a/gui/Gui/Scytherthread.py b/gui/Gui/Scytherthread.py
index 77dcae9..fc479d7 100644
--- a/gui/Gui/Scytherthread.py
+++ b/gui/Gui/Scytherthread.py
@@ -22,6 +22,7 @@
 #---------------------------------------------------------------------------
 
 """ Import externals """
+import platform
 import wx
 import threading
 import subprocess
@@ -286,7 +287,10 @@ class ResultWindow(wx.Frame):
         if self.watchMode:
             print("Watching generating image")
             dotOutputWrite(btn.claim.attacks[0].scytherDot, self.watchModeFile + ".png",["-Tpng"])
-            subprocess.run(['xdg-open', self.watchModeFile + ".png"])
+            if platform.system() == 'Windows':
+                subprocess.run(['start', self.watchModeFile + ".png"])
+            else:
+                subprocess.run(['xdg-open', self.watchModeFile + ".png"])
         else:
             try:
                 w = Attackwindow.AttackWindow(btn.claim)
diff --git a/gui/nsl3-broken.spdl.png b/gui/nsl3-broken.spdl.png
deleted file mode 100644
index cf0a1d8..0000000
Binary files a/gui/nsl3-broken.spdl.png and /dev/null differ
diff --git a/src/version.h b/src/version.h
index 06a90e1..81a4f75 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define TAGVERSION "b'v1.2-25-g2a698fa'"
+#define TAGVERSION "b'v1.2-26-g50f3324-dirty'"