diff --git a/appJar/appjar.py b/appJar/appjar.py
index 4036022..9788296 100644
--- a/appJar/appjar.py
+++ b/appJar/appjar.py
@@ -265,10 +265,8 @@ def GET_DIMS(container):
                 dims["b_width"] = dims["r_width"]
                 dims["b_height"] = dims["r_height"]
         else:
-            dims["b_height"] = min(dims["r_height"], dims["w_height"])
-            dims["b_width"] = min(dims["r_width"], dims["w_width"])
-            dims["h_height"] = max(dims["r_height"], dims["w_height"])
-            dims["h_width"] = max(dims["r_width"], dims["w_width"])
+            dims["b_height"] = max(dims["r_height"], dims["w_height"])
+            dims["b_width"] = max(dims["r_width"], dims["w_width"])
 
         return dims
 
@@ -298,8 +296,10 @@ def CENTER(win, up=0):
 
         win.update_idletasks()
 
-        outer_frame_width = win.winfo_rootx() - win.winfo_x()
-        titlebar_height = win.winfo_rooty() - win.winfo_y()
+        # GUI's corner - widget's corner
+        # widgret's corner can be 0 on windows when size not set by user
+        outer_frame_width = 0 if win.winfo_x() == 0 else win.winfo_rootx() - win.winfo_x()
+        titlebar_height = 0 if win.winfo_rooty() == 0 else win.winfo_rooty() - win.winfo_y()
 
         dims = gui.GET_DIMS(win)
         actual_width = dims["b_width"] + (outer_frame_width * 2)
diff --git a/examples/issues/issue266.py b/examples/issues/issue266.py
index 4c11df9..82285c1 100644
--- a/examples/issues/issue266.py
+++ b/examples/issues/issue266.py
@@ -5,7 +5,6 @@
 types = ["NULL", "INTEGER", "REAL", "TEXT", "BLOB"]
 
 def makeTable():
-#    app.hideSubWindow("Make Table")
     fields = app.getAllEntries()
     types = app.getAllOptionBoxes()
     prim = app.radio("PRIMARY")
@@ -28,7 +27,7 @@ def makeTable():
     data += ");"
     runSql(data)
     app.changeOptionBox("table", getTables())
-    app.removeSubWindow("Make Table")
+    changeDb()
 
 def runSql(sql):
     print(sql)
@@ -106,7 +105,8 @@ def setup():
         c.execute(task, ('Analyze the requirements of the app', 1, 1, project_id, '2015-01-01', '2015-01-02'))
         c.execute(task, ('Confirm with user about the top requirements', 1, 1, project_id, '2015-01-03', '2015-01-05'))
 
-with gui("DB Demo", stretch="column", bg="DarkOrange") as app:
+with gui("DB Demo", "800x600", stretch="column", bg="DarkOrange") as app:
+    app.setLogLevel("debug")
     app.label("title", "DB tester", bg="orange", font={'size':20})
     app.config(sticky="NE")
     tables = getTables()
@@ -114,4 +114,5 @@ def setup():
     app.config(sticky="NEWS")
     app.setStretch("both")
     app.addDbGrid("projects", DB_NAME, "projects")
+    app.config(sticky="")
     app.button("NEW TABLE", showMakeTable)