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Rundll32 is a leftover from Windows 95, and it has been deprecated since at least Windows Vista because it violates a lot of modern engineering guidelines. in 2013 " What's the guidance on when to use rundll32? Easy: Don't use it":.in 2011: " Throwing garbage on the sidewalk: The sad history of the rundll32 program".The actual function signature for ExitWindowsEx is: BOOL WINAPI ExitWindowsEx(UINT uFlags, DWORD dwReserved) That hasn't stopped people from using rundll32 to call random functions that weren't designed to be called by rundll32, like user32 LockWorkStation or user32 ExitWindowsEx. 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.
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(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
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Attention: Do not attempt to restart the system or turn off the system before the shutdown completion message is displayed otherwise, file system. When the shutdown is complete, you receive a shutdown completion message. I want to make sure some other really good answers are also mentioned along with this one. From the Start menu, open the Run dialog box or you can Press the 'Window + R' key to open the RUN window. The shutdown command halts the operating system. 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: