We're sorry about the trouble with Photoshop. Would you mind sharing the version of Photoshop you're using along with the version of Windows you're working on? Did you start facing the issue after the latest update? If yes, have you tried to re-install the app to check if that helps?
You can try re-installing the app & also ensure that all available Windows updates are installed on the computer. Also, try launching Photoshop by running it as administrator to check if that helps.
If the issue persists, you can try to reset the preferences of Photoshop using the steps mentioned here: https://adobe.ly/2Qzc0K3