service application

About this tag
A Windows service application is a program that runs in the background without a user interface, often performing system-level tasks. In Windows 10, a user encountered an issue where a service application displaying a message box using MB_DEFAULT_DESKTOP_ONLY caused the Power button popup menu items (Sleep, Shut down, Restart) to stop appearing from the Start menu. The problem disappeared after closing the message box and did not occur on earlier Windows versions like RS4 and RS5. This suggests a potential bug in Windows 10 related to service applications and desktop interaction. The thread discusses troubleshooting such service application behavior.
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    Windows 10 Can not show Popup menu items when clicking Power button from the start menu

    On Windows 10, version: 10.0.18362, I have a Windows service application. In the service process, when I use the following code to display a user interactive message box: //Start Impersonate Loggon User MessageBox(IntPtr.Zero, message, caption, MB_DEFAULT_DESKTOP_ONLY | MB_YESNO |...
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