FIX: VB 2.0 Prof Demo Causes Error: Invalid File Format (100611)
The information in this article applies to:
- Microsoft Visual Basic Professional Edition for Windows 2.0
This article was previously published under Q100611 SYMPTOMS
Running the Professional Edition Demo for Visual Basic version 2.0 for
Windows may immediately cause an "Invalid File Format" error. This
problem may also occur when you run a Visual Basic program that uses the
common dialog custom control.
CAUSE
This error is usually caused by an incorrect version of the common dialog
VBX (CMDIALOG.VBX) file in the \WINDOWS directory. The Visual Basic
version 1.0 Professional Toolkit installs the common dialog VBX into the
\WINDOWS directory, whereas the version 2.0 Professional Edition installs
the common dialog VBX into the \WINDOWS\SYSTEM directory leaving the old
version of the common dialog VBX in the \WINDOWS directory.
When the version 2.0 professional demo is run, the demo finds the old
common dialog VBX in the Windows directory first and gives the error
"Invalid File Format."
WORKAROUND
To work around the problem, delete or move the Visual Basic version 1.0
version of the CMDIALOG.VBX out of the \WINDOWS directory. This will
leave the correct version of the common dialog VBX in the \WINDOWS\SYSTEM
directory.
STATUS
Microsoft has confirmed this to be a bug in the product listed above. This
bug was corrected in Microsoft Visual Basic version 3.0 for Windows. In
Visual Basic version 3.0, the Common dialog control ships with both the
Standard and Professional editions, so the version 3.0 Professional
edition demo doesn't discuss the Common dialog control, which avoids the
the error. Version 3.0 of the Common dialog control replaces version 2.0
of the control.
| Modification Type: | Minor | Last Reviewed: | 1/8/2003 |
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| Keywords: | kbbug KB100611 |
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