Hi there,
Sorry that your display is showing a green user interface for Photoshop.
Could you please elaborate and provide some more details about the issue?
Also, which version of Photoshop and the operating system you're working with?
In Photoshop, you can check that by going to Help > System Info.
Also, could you please share the screenshot of the Photoshop issue you are referring to? It would be helpful for us to have a visual reference of the issue, so that we can provide you a possible solution.
To get started with troubleshooting, please checkout the steps mentioned in this article: https://helpx.adobe.com/photoshop/kb/basic-troubleshooting.html
Let us know the outcome.
Thanks,
Akash