A RunDLL error on startup occurs when a DLL file that is needed to start with a program, run at startup or set up as a scheduled task fails to start. Use these fixes!

Fix Choose something else to play, This item is in a format we don't support, Error 0xc004f011 while playing Video on Windows 11/10 PC.

This common error in Windows is an annoying one when it happens, but it can be easy to fix. Here's how to do it.

With these solutions, you no longer need to worry about the error message 'A device that does not exist was specified' on Windows 11/10. To avoid wasting time, start with the simpler ...