diff --git a/ColorControl/ColorControl.csproj b/ColorControl/ColorControl.csproj
index d14bb41..a87761b 100644
--- a/ColorControl/ColorControl.csproj
+++ b/ColorControl/ColorControl.csproj
@@ -27,7 +27,7 @@
     <ProductName>ColorControl</ProductName>
     <PublisherName>Maassoft</PublisherName>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.5.0.0</ApplicationVersion>
+    <ApplicationVersion>1.5.1.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>
     <BootstrapperEnabled>true</BootstrapperEnabled>
diff --git a/ColorControl/MainForm.cs b/ColorControl/MainForm.cs
index 1be470c..1f4c499 100644
--- a/ColorControl/MainForm.cs
+++ b/ColorControl/MainForm.cs
@@ -225,7 +225,18 @@ namespace ColorControl
 
             if (_lgService.Config.PowerOffOnStandby)
             {
-                _lgService.PowerOff();
+                NativeMethods.SetThreadExecutionState(NativeConstants.ES_CONTINUOUS | NativeConstants.ES_SYSTEM_REQUIRED | NativeConstants.ES_AWAYMODE_REQUIRED);
+                try
+                {
+                    Logger.Debug("Powering off tv...");
+                    var task = _lgService.PowerOff();
+                    Utils.WaitForTask(task);
+                    Logger.Debug("Done powering off tv");
+                }
+                finally
+                {
+                    NativeMethods.SetThreadExecutionState(NativeConstants.ES_CONTINUOUS);
+                }
             }
         }
 
@@ -369,9 +380,18 @@ namespace ColorControl
                 return;
             }
 
-            var text = "ColorControl";
+            Display[] displays;
+            try
+            {
+                displays = _nvService.GetDisplays();
+            }
+            catch (Exception e)
+            {
+                Logger.Error("Error while getting displays: " + e.ToLogString());
+                return;
+            }
 
-            var displays = _nvService.GetDisplays();
+            var text = TS_TASKNAME;
             foreach (var display in displays)
             {
                 var id = Math.Abs((int)display.Handle.MemoryAddress.ToInt64());
diff --git a/ColorControl/NvService.cs b/ColorControl/NvService.cs
index 3b33fe0..d72b156 100644
--- a/ColorControl/NvService.cs
+++ b/ColorControl/NvService.cs
@@ -106,7 +106,7 @@ namespace ColorControl
             var newHdrEnabled = preset.applyHDR && (preset.HDREnabled || (preset.toggleHDR && !hdrEnabled));
             var applyHdr = preset.applyHDR && (preset.toggleHDR || preset.HDREnabled != hdrEnabled);
 
-            if (preset.applyColorData && ColorDataDiffers(preset.colorData))
+            if (preset.applyColorData && (ColorDataDiffers(preset.colorData) || (!newHdrEnabled && preset.applyColorData && preset.colorData.Colorimetry != ColorDataColorimetry.Auto)))
             {
                 var display = GetCurrentDisplay();
                 if (hdrEnabled)
@@ -192,7 +192,7 @@ namespace ColorControl
             else if (enabled)
             {
                 // Currectly there seems to be a bug that after enabling HDR via NVAPI, some settings are only applied upon opening the Display Settings...
-                OpenDisplaySettings();
+                ////OpenDisplaySettings();
             }
         }
 
diff --git a/ColorControl/Properties/AssemblyInfo.cs b/ColorControl/Properties/AssemblyInfo.cs
index 19c03da..e67e12c 100644
--- a/ColorControl/Properties/AssemblyInfo.cs
+++ b/ColorControl/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.5.0.0")]
-[assembly: AssemblyFileVersion("1.5.0.0")]
+[assembly: AssemblyVersion("1.5.1.0")]
+[assembly: AssemblyFileVersion("1.5.1.0")]