Loads and runs 32-bit dynamic-link libraries (DLLs). There are no configurable settings for Rundll32. Help information is provided for a specific DLL you run with the rundll32 command.
You must run the rundll32 command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator.
|Rundll32 printui.dll,PrintUIEntry||Displays the printer user interface.|
Rundll32 can only call functions from a DLL explicitly written to be called by Rundll32.