When you try to start or exit one of the following 2007 Microsoft Office system applications in Windows Vista, the application may crash:

• Microsoft Office Word 2007
• Microsoft Office PowerPoint 2007
• Microsoft Office Excel 2007

This issue occurs when the Office application uses an add-in that is written by Zeon.

To work around this issue, follow these steps:

1. Locate the .dll files of the Office application add-in. To do this, follow these steps:
   
   Word 2007
   1. In Word 2007, click the Microsoft Office Button, and then click Word Options.
   2. Click Add-Ins.
   3. In the Manage list, click Word Add-ins, and then click Go.
   4. In the Add-Ins Available box, locate Zeon Word Addin, and then note the path of the ZnWordAddIn.dll file. This path is next to Location.
   Excel 2007
   1. In Excel 2007, click the Microsoft Office Button, and then click Excel Options.
   2. Click Add-Ins.
   3. In the Manage list, click Excel Add-ins, and then click Go.
   4. In the Add-Ins Available box, locate Zeon Excel Addin, and then note the path of the ZnExcelAddIn.dll file. This path is next to Location.
   PowerPoint 2007
   1. In PowerPoint 2007, click the Microsoft Office Button, and then click PowerPoint Options.
   2. Click Add-Ins.
   3. In the Manage list, click PowerPoint Add-ins, and then click Go.
   4. In the Add-Ins Available box, locate Zeon PowerPoint Addin, and then note the path of the ZnPowerPointAddIn.dll file. This path is next to Location.
2. Unregister the .dll files that cause the Zeon add-ins to load in the Office applications. To do this, type the following command at a command prompt:
   regsvr32 /u "Full Path of the .dll files"
   Note The Full path of the .dll files placeholder is the location that you noted in step 1.

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