Error while using retroarch with dosbox

Hi, i planed simulate a game under ms-dos. i’ve updated the retroarch doxbox core, but when i run the exe my shell warned “failed to open libretro core”

any suggestion?

Hey, welcome to the forums.

Can you provide any more information? Maybe what you’re trying to run could be useful. Then I guess, what format your files are in, where you’re putting them, how you’re running them.
It sounds like it’s a problem with how it’s loading, but possibly more information could be helpful.