deskcp.dll::16-bit Desktop Control Panel Library. Most commonly used with RUNDLL.EXE to launch the built-in QuickRes function, QUICKRES_RUNDLLENTRY. This entry is required if using programs such as QRes which switch resolutions before and after launching specific programs (games, mostly).
Death has come to our windows.
-- Jeremiah 9:21
(undoubtedly a Biblical reference to a Microsoft product!)