FIX: OLE Automation to Excel 8.0 Fails Using a 16-bit Client (170402)

The information in this article applies to:

Microsoft Office 2000 Developer
Microsoft Visual Basic Professional Edition, 16-bit, for Windows 4.0
Microsoft Visual Basic Enterprise Edition, 16-bit, for Windows 4.0
Microsoft Visual Basic Professional Edition for Windows 3.0, when used with:
- the operating system: Microsoft Windows 95
Microsoft Excel 97 for Windows

This article was previously published under Q170402

SYMPTOMS

If you use a 16-bit Visual Basic client to Automate Microsoft Excel 97 under Windows 95, you may receive the following error:

"<application> caused an invalid page fault in module kernel32.dll"

This error only occurs on Windows 95 with Microsoft Excel 97. The error does not happen on Windows NT 4.0 or with Microsoft Excel 95.

RESOLUTION

There are several solutions to this problem.

Use a 32-bit client, -or-
use Windows NT 4.0, -or-
install DCOM for Windows 95.

DCOM for Windows 95 can be downloaded from the Microsoft Web Site at the following address:

http://msdn.microsoft.com/library/default.asp A License and Distribution Agreement can also be found at the above Web Site.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This problem has been fixed in Microsoft Windows 98.

MORE INFORMATION

The following example only fails on Windows 95 using a 16-bit client application to Microsoft Excel 97. This will only fail on machines that do not have DCOM for Windows 95 installed.

Steps to Reproduce Behavior

Create a new Visual Basic 4.0 16-bit project.
Add a CommandButton to Form1.

Add the following code to Form1:

Dim oExcel as object

Private Sub Form_Load()
Set oExcel = CreateObject("Excel.Application")
End Sub

Private Sub Command1_Click()
  oExcel.Workbooks.add
  oExcel.Visible = True
  'The error usually happens on one of the next 3 lines
  oExcel.Sheets(1).Activate
  oExcel.Range("a1").Value = 1
  oExcel.Range("a2").Value = 2
End Sub

Run the project by pressing the F5 Key.
Click the CommandButton.

Modification Type:	Minor	Last Reviewed:	10/26/2005
Keywords:	kbBug kbfix kbOSWin98fix KB170402