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Microsoft Excel may leak memory when a custom function, also known as a user-defined function (UDF), is calculated.
This problem occurs if the arguments for the UDF are located on a different sheet than the one that contains the UDF.
If the UDF calculation starts when a cell on which the UDF depends is not yet calculated, Excel cancels the UDF calculation and postpones it. However, Excel does not free the memory that was already reserved for the calculation's return value.
To resolve this problem, obtain the latest service pack for Microsoft Office 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
276367 OFF2000: How to Obtain the Latest Office 2000 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Office 2000 Service Pack 2.