Microsoft small business knowledge base

Article ID: 235326 - Last Review: October 26, 2013 - Revision: 5.0

This article was previously published under Q235326
This article has been archived. It is offered "as is" and will no longer be updated.


When you start or quit Microsoft Excel, you receive an error message similar to the following:
Compile error in hidden module: RegistrationDB


This problem may occur when the following conditions are true:
  • A file named Pdfwrite.xla is in the C:\Program Files\Microsoft Office\Office\Xlstart folder on your hard disk.


  • You have upgraded to Microsoft Excel 2000 from Microsoft Excel for Windows 95, version 7.0 or earlier.


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

More information

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: (
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.

Applies to
  • Microsoft Excel 2000 Standard Edition
kbnosurvey kbarchive kbstartprogram kberrmsg kbprb KB235326
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