diff --git a/src/DarkUI.cs b/src/DarkUI.cs
index 7f048ed..49675a1 100644
--- a/src/DarkUI.cs
+++ b/src/DarkUI.cs
@@ -12,8 +12,8 @@ namespace WinDynamicDesktop
 {
     internal class DarkUI
     {
-        private static readonly Color bgColorDark = Color.FromArgb(32, 32, 32);
-        private static readonly Color fgColorDark = Color.FromArgb(224, 224, 224);
+        public static readonly Color bgColorDark = Color.FromArgb(32, 32, 32);
+        public static readonly Color fgColorDark = Color.FromArgb(224, 224, 224);
 
         public static bool IsDark
         {
diff --git a/src/ScheduleDialog.cs b/src/ScheduleDialog.cs
index 436f2d6..d0d79e3 100644
--- a/src/ScheduleDialog.cs
+++ b/src/ScheduleDialog.cs
@@ -54,7 +54,7 @@ private void UpdateGuiState()
             {
                 if (!hasLocationPermission)
                 {
-                    locationPermissionLabel.ForeColor = SystemColors.ControlText;
+                    locationPermissionLabel.ForeColor = DarkUI.IsDark ? DarkUI.fgColorDark : default;
                     locationPermissionLabel.Text = _("Click below to grant permission to access location");
                 }
                 else
@@ -180,7 +180,9 @@ private async void okButton_Click(object sender, EventArgs e)
                     {
                         hasLocationPermission = UwpLocation.HasAccess();
                         UpdateLocationState();
-                        MessageDialog.ShowWarning(_("Failed to get location from Windows location service."), _("Error"));
+                        MessageDialog.ShowWarning(string.Format(
+                            _("Failed to get location from Windows location service:\n\n{0}"),
+                            UwpLocation.lastUpdateError.ToString()), _("Error"));
                     }
                 }
                 else if (radioButton3.Checked)
diff --git a/src/UwpLocation.cs b/src/UwpLocation.cs
index e2dd0d2..2e42d6f 100644
--- a/src/UwpLocation.cs
+++ b/src/UwpLocation.cs
@@ -10,6 +10,7 @@ namespace WinDynamicDesktop
     class UwpLocation
     {
         private static readonly Func<string, string> _ = Localization.GetTranslation;
+        public static Exception lastUpdateError;
 
         private static async Task<bool> UnsafeRequestAccess()
         {
@@ -68,7 +69,9 @@ public static async Task<bool> UpdateGeoposition()
 
                 return true;
             }
-            catch { /* Do nothing */ }
+            catch (Exception exc) {
+                lastUpdateError = exc;
+            }
 
             return false;
         }