1. Close Editor
2. Launch Adobe Photoshop Elements Welcome Screen.
3. Hold down Ctrl+Shift+Alt keys and simultaneously click on the Edit button in Welcome screen of Adobe Photoshop Elements. Release the three keys and look behind the welcome screen by closing it. Or hold down the keys whilst double clicking on PhotoshopElementsEditor.exe (in Program Files x86\Adobe)
4. You should see a pop up box with the words: Delete Adobe Photoshop Elements Settings File?
5. Click on Yes
Check if your problem is solved? If not, just comment back with exact problem and we shall try to find out something else.