XL97: Undoing "Merge and Center" Causes Page Fault or Hang

In Microsoft Excel 97, if you attempt to undo the result of clicking Merge And Center on the Formatting toolbar, you may receive error messages similar to the following.

Microsoft Windows 95

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

Microsoft Windows NT

This problem may occur when you do the following:

• You click Freeze panes on the Window menu to create a horizontal frozen pane on the worksheet. -and-
  
  
• You select multiple cells below the horizontal frozen pane and apply the double bottom border format. -and-
  
  
• You select the cells with the double bottom border and click Merge and Center on the Formatting toolbar. -and-
  
  
• You click Undo Merge and Center on the Edit menu to undo the action.

To correct this problem, install Microsoft Excel 97 Service Release 1 (SR-1).

Microsoft has confirmed this to be a problem in Microsoft Excel 97. This problem was corrected in Microsoft Excel SR-1.

For additional information about SR-1, please see the following article in the Microsoft Knowledge Base: