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Home Products Err Msg: Invalid Dynamic Link Call to a DLL

Article ID: 152183

Article Last Modified on 1/19/2007

Microsoft 3D Movie Maker
Microsoft Close Combat
Microsoft Encarta Encyclopedia 97 Standard Edition
Microsoft Flight Simulator 95
Microsoft NBA Full Court Press
Microsoft Wine Guide 1.0
Microsoft Windows 95
Scholastic's The Magic School Bus Explores the Rainforest
Scholastic's The Magic School Bus Explores Inside the Earth
Scholastic's The Magic School Bus Explores the Solar System
Scholastic's The Magic School Bus Explores the Ocean
Scholastic's The Magic School Bus Explores in the Age of Dinosaurs

This article was previously published under Q152183

SYMPTOMS

When you try to run one of the programs listed at the top of this article on a Windows 95 computer with an STB Powergraph 64 video card or an S3 Vision 968 PCI video card, you may receive the following error message:

Your program is making an invalid dynamic link call to a .dll file.

This error occurs when you are using the Video English without STB Vision 95 display driver.

This error also occurs in Flight Simulator, version 6.0 if you are using the S3 Trio 32/64 PCI display driver from STB.

RESOLUTION

To resolve this problem, use the following steps:

Click the Start button, and then click Run.
In the Open box, type sysedit and click OK. This opens the System Configuration Editor, with several files open and displayed on the screen.
Click the title bar of Win.ini to bring it to the front.
On the Search menu, click Find.
In the Find box, type drawdib, and then click Next.
In the [drawdib] section, add the following entry:
```
dva=0
						
```
NOTE: If there is no [drawdib] section, add the following to the Win.ini file:
```
[drawdib]
dva=0
					
```
On the File menu, click Save.
Exit the System Configuration Editor.
Restart Windows.

The program should now run successfully.

MORE INFORMATION

The "dva=0" entry turns off direct video access (DVA) and DCI. DVA and DCI allow video images to be sent directly to the screen. If a program detects the display type incorrectly, problems can occur using DVA and DCI. Some of these problems can be severe (such as general protection (GP) faults in Gdi.exe). When you turn off DVA and DCI, video images must be drawn through GDI. Although using GDI can be slower than direct access, it is safer.

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