I am running Windows 7 Ultimate on a PC. I have an Excel file open but most of the buttons on the different banners at the top are disabled including, in particular, Save, Save As, and Close. It is acting as though a dialog box relative to the file were open but I have searched for a dialog box and none is apparent.
This is happened before and the only way out has been to reboot or close the application with the Task Manager. I really need to save it.
What can I do?