The function signature required for functions called by rundll32.exe is: void CALLBACK ExitWindowsEx(HWND hwnd, HINSTANCE hinst, in 2004 ' What can go wrong when you mismatch the calling convention?':.It expects that the function you passed on the command line has a very specific method signature - it doesn't match the method signature of ExitWindows. (can be combined -> 6 = 2+4 FORCE REBOOT)ġ800 INFORMATION kindly points out in the comments:ĭon't use rundll32.exe for this purpose. Rundll32.exe user.exe,**ExitWindowsExec** rundll32.exe shell32.dll,SHExitWindowsEx n rundll32.exe user.exe,**ExitWindows**.You also got all the ' rundll32.exe shell32.dll' serie: I want to make sure some other really good answers are also mentioned along with this one. It was discovered by these StackOverflow users. Note: This option is not documented in any official documentation. y - Forces a 'yes' answer to all shutdown queries. The message will end up in the Event Log. Prevents the shutdown process from getting stuck. The commands above can be combined with these additional options: shutdown -a - Aborts a previous shutdown command.Instead of performing an action, it displays a GUI dialog. They then run shutdown -h and accidentally turn off their computers. except shutdown.exe, where it means 'hibernate'). Note: There is a common pitfall wherein users think -h means 'help' (which it does for every other command-line program.

The most common ways to use the shutdown command are:

Shutdown timer windows 10 cmd cancel