You receive a "<Filename> cannot be accessed...may be read-only" error message when you attempt to save a file in Excel 2000

When you try to save a file, the following error message may appear: where Filename is the name of the file you are attempting to save.

NOTE: This error does not occur when you originally create the file or click Save As; it only occurs when you modify the existing file and then click Save.

This error message appears if all of the following conditions are true:

• You are saving from a computer running either Windows NT 4.0 Workstation or Windows NT 4.0 Server.
  
  -or-
  
  
• You are opening and saving an Excel workbook directly to a network share on a computer running Windows NT 4.0 Server.
  
  -or-
  
  
• The Windows NT Server computer is running Inoculan for Windows NT 4.0 from Computer Associates.
  
  -or-
  
  
• Inoculan is set to "Monitor Outgoing Files" or "Monitor Both Directions".
  

If you are experiencing this issue, there is an update available from Computer Associates. Please refer to the following Web site for more information about how to obtain this update: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.