1 files changed, 8 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MachineUpdateViewVM.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MachineUpdateViewVM.cs
index b5b5f56bc..07da99818 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MachineUpdateViewVM.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/ViewModels/MachineUpdateViewVM.cs
@@ -33,6 +33,7 @@ namespace Tango.PPC.UI.ViewModels
 
         private MachineUpdateResult _update_result;
         private DbCompareResult _db_compare_result;
+        private bool _isChecking;
 
         #region Properties
 
@@ -132,8 +133,11 @@ namespace Tango.PPC.UI.ViewModels
         {
             await NavigateTo(MachineUpdateView.UpdateCheckView);
 
+            if (_isChecking) return;
+
             try
             {
+                _isChecking = true;
                 IsDbUpdate = false;
 
                 var response = await MachineUpdateManager.CheckForUpdate(MachineProvider.Machine.SerialNumber);
@@ -164,6 +168,10 @@ namespace Tango.PPC.UI.ViewModels
                 LogManager.Log(ex, "Error while trying to check for updates.");
                 await NavigateTo(MachineUpdateView.UpdateFailedView);
             }
+            finally
+            {
+                _isChecking = false;
+            }
         }
 
         private async void Update()