Close any unnecessary applications or processes running in the background. This can help free up system resources and prevent conflicts that might be causing Photoshop Elements to close unexpectedly.
Reset Preferences: Resetting the preferences of Photoshop Elements can sometimes resolve issues. Hold down the Shift+Option+Command (macOS) keys immediately after launching Photoshop Elements. A dialog box will appear, asking if you want to delete the Adobe Photoshop Elements Settings file. Confirm and let Photoshop Elements launch with default preferences.