Examine the codeīefore you troubleshoot the error, try to isolate a single line of code that may be causing the problem. However, this article assumes that you want to automate Office applications. Note Some of the following information may also apply to non-Office COM servers. If you receive the '429' error message on a client computer, use the following information to isolate and resolve the error in Microsoft Office applications. To find the cause of the error, isolate the problem. There is a mistake in the system configuration. The error occurs if any of the following conditions is true: In Visual Basic, there are several causes of error 429. This article describes how to diagnose and resolve common problems that may cause this error. This error does not occur on all computers. This error occurs when the Component Object Model (COM) cannot create the requested Automation object, and the Automation object is, therefore, unavailable to Visual Basic. Run-time error '429': ActiveX component can't create object