diff --git a/installer.cfg b/installer.cfg
index b34e317..f2b40b5 100644
--- a/installer.cfg
+++ b/installer.cfg
@@ -47,7 +47,8 @@ packages=weio
 
 exclude=weio/.git*
     weio/tests
-    pkgs/weio/tests
+    pkgs/weio/examples
+    pkgs/weio/weio/tests
     pkgs/numpy/core/include
     pkgs/numpy/doc
     pkgs/numpy/f2py
diff --git a/pydatview/GUIPlotPanel.py b/pydatview/GUIPlotPanel.py
index 54859ec..885cba4 100644
--- a/pydatview/GUIPlotPanel.py
+++ b/pydatview/GUIPlotPanel.py
@@ -5,7 +5,7 @@
 import dateutil # required by matplotlib
 #from matplotlib import pyplot as plt
 import matplotlib
-matplotlib.use('Agg') # Important for Windows version of installer
+matplotlib.use('wxAgg') # Important for Windows version of installer. NOTE: changed from Agg to wxAgg
 from matplotlib import rc as matplotlib_rc
 try:
     from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as FigureCanvas
@@ -951,12 +951,22 @@ def plot_all(self, keep_limits=True):
 
             # Log Axes
             if self.cbLogX.IsChecked():
-                ax_left.set_xscale("log", nonposx='clip')
+                try:
+                    ax_left.set_xscale("log", nonpositive='clip') # latest
+                except:
+                    ax_left.set_xscale("log", nonposx='clip') # legacy
+
             if self.cbLogY.IsChecked():
                 if bAllNegLeft is False:
-                    ax_left.set_yscale("log", nonposy='clip')
+                    try:
+                        ax_left.set_yscale("log", nonpositive='clip') # latest
+                    except:
+                        ax_left.set_yscale("log", nonposy='clip')
                 if bAllNegRight is False and ax_right is not None:
-                    ax_right.set_yscale("log", nonposy='clip')
+                    try:
+                        ax_right.set_yscale("log", nonpositive='clip') # latest
+                    except:
+                        ax_left.set_yscale("log", nonposy='clip') # legacy
 
             # XLIM - TODO FFT ONLY NASTY
             if self.pltTypePanel.cbFFT.GetValue():