my WPF client update was stuck

[Daniel Sun]

I have a WPF client using NAppUpdate.Framework to update. It used to work but last week suddenly got error, the client update process always hang on at 97% and never completes.

there is a NauUpdate.log at client exe folder, here is the error:

2022-11-03 15:46:01.704      Debug    Task "": RequiresAppRestart
2022-11-03 15:46:01.711      Debug        Executing...
2022-11-03 15:46:01.721      Debug    Finished successfully
2022-11-03 15:46:01.727      Debug    Removing backup folder
2022-11-03 15:46:01.775      Debug    Re-launching process C:\Users\dsun\AppData\Roaming\ACTRA\AMS\Ams.Ui.exe with working dir C:\Users\dsun\AppData\Roaming\ACTRA\AMS
2022-11-03 15:46:12.283      Error    
Unable to relaunch application and/or send DTO
System.Exception: Launch process client: Failed to connect to named pipe
   at NAppUpdate.Framework.Utils.NauIpc.LaunchProcessAndSendDto(NauDto dto, ProcessStartInfo processStartInfo, String syncProcessName)
   at NAppUpdate.Updater.AppStart.Main()