We're sorry about the trouble with Photoshop while trying to create a new project. Would you mind sharing the version of Photoshop you're using along with your computers operating system? Are you getting an error while trying to save the files or nothing happens like in the case of creating new documents?
Please ensure you have all available Windows updates installed on the computer. You can try to reset the preferences of Photoshop manually using the steps mentioned here: https://adobe.ly/2Qzc0K3