Microsoft KB Archive/190358

= XL97: Error Looping Through Add-ins in a Custom Function. =

Article ID: 190358

Article Last Modified on 10/22/2000

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APPLIES TO


 * Microsoft Excel 97 Standard Edition

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This article was previously published under Q190358



SYMPTOMS
When you enter a formula into a cell, you may receive the following error message:

This program has performed an illegal operation and will be shut down.

If the problem persists, contact the program vendor.

If you click Details, you receive an error message similar to the following:

EXCEL caused an invalid page fault in module MSO97.DLL at 0137:306c2669.



CAUSE
This problem may occur if the following conditions are true:


 * The formula calls a custom function. -and-


 * The custom function loops through the Addins collection.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Excel 97 for Windows.

