@bigjohn1979 Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

Need more info..you updated Retropie completely? What version?

I suspect you didn't update retropie and packages after upgrading perhaps.

You can type emulationstation in a terminal to see if it throws any errors.

@jimbo333 This is a forum for RetroPie, if you are using another software/program you'd have to ask the author of such software. Please fill out the information from https://retropie.org.uk/forum/topic/3/read-this-first.