I have an excel workbook on our network. When you go into the workbook and double click on it, it opens excel and the name of the workbook shows at the top, but nothing opens. It stops while trying to open. The workbook is not hidden, the sheets are not protected. It is as if you have excel open with no workbooks open, but yet the name is at the top of the toolbar. This started Monday, and we restored from a tape, (Friday morning's tape) then it happened again today. Please any ideas will help. We are desperate to get this file back today as soon as possible. 2 instances of excel are not running. It is just the one file, all other files work on the pc, all other files in the drive work as well. Thanks!