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I'm trying to run a MessageBoxA from User32.dll with Rundll32.exe. As I see in Microsoft references Rundll.exe is for 16-bit applications while Rundll32.exe is for 32-bit ones. So I write this command : 

Rundll32.exe User32.dll,MessageBoxA 0,"Text","Title",0

But nothing shows! I think there is something wrong with my syntax. Is there anyway to show a MessageBoxA from Rundll32.exe?

Shahriar
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  • [Don't use RunDll for arbitrary DLLs/functions; it was never designed for this](https://blogs.msdn.microsoft.com/oldnewthing/20130104-00/?p=5643). How about displaying the message box using [VBScript](https://ss64.com/vb/msgbox.html) or [PowerShell](https://michlstechblog.info/blog/powershell-show-a-messagebox/). – Christian.K Aug 18 '17 at 05:44
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    Possible duplicate of [Show a popup/message box from a Windows batch file](https://stackoverflow.com/questions/774175/show-a-popup-message-box-from-a-windows-batch-file) – Christian.K Aug 18 '17 at 05:45

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