Dynamo Player don't work

Hi everyone!! I’m new on dynamo. I dont know why, my dynamo player, when i change the path for use my own dynamo program, now don’t work. I can´t make nothing. Sorry for my english. Thank you

DynamoPlayerdontwork

One thing to check, make sure dynamo studio is closed, then you can usually open dynamo player again.

Thanks for the prompt response. Excuse the ignorance. How do I do that?