安裝了project 2013后， excel 2013 一打開文件就報這個錯，解決方法如下：
Step1:
Try to repair Office 2013 installation and check if it helps:
- Click on Start > Control Panel, click Programs, and then click Programs and Features.
- Note: In Classic view, double-click Programs and Features.
- Click Microsoft Office 2013, and then click Change.
Step2:
If the issue persists even after repairing the Office installation you may try to open Outlook, Excel and Word in safe mode to check if the issue persists:
- Click Start.
- Type Outlook /safe, and then click OK.
Note: There is space between Outlook and /.
Replace Outlook with Excel and WinWord to start Excel, Word in safe mode.