When you start or quit Microsoft Excel, you receive an error message similar to the following:

Back to the top

This problem may occur when the following conditions are true:

•	A file named the Pdfwrite.xla is in the C:\Program Files\Microsoft Office\Office10Xlstart folder on your hard disk. -and-
•	You have upgraded to Microsoft Excel 2002 from Microsoft Excel 97 or Microsoft Excel 2000.

Back to the top

To resolve this problem, remove the Pdfwrite.xla file from the C:\Program Files\Microsoft Office\Office\Xlstart folder on your hard disk.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

Back to the top

When you install some versions of Adobe Acrobat, the installation program places the Pdfwrite.xla file on your computer.

Contact Adobe Systems Inc. for more information about the Pdfwrite.xla file.
For information about how to contact Adobe Systems, view the following hardware and software third-party vendor contact information: http://support.microsoft.com/gp/vendors/en-us (http://support.microsoft.com/gp/vendors/en-us)
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Back to the top