Scratch

Are you in the Scratch application or are you running a project on the web site? What are you trying to have happen when the green flag is clicked? If you share your project and post a link to it, someone might be able to help you figure out what's wrong.

zacky wrote:

It might be obvious... but did you add a flag?

zacky, i think he means the green flag in the corner of every single project made in scratch.