OpenGL Access Violation with Invalid OpenGL Context

 Last reviewed: August 13, 1997
Article ID: Q159129
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0

SYMPTOMS

The API gluGetString causes an access violation and affects OpenGL operations.

CAUSE

The gluGetString API was called without an existing OpenGL context; therefore, GlGetString has an access violation trying to obtain the GL_EXTENSIONS from an OpenGL context.

RESOLUTION

To correct this problem, install Windows NT 4.0 Service Pack 2.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 4.00. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): 

    S E R V P A C K

Additional query words: prodnt
Keywords : kbbug4.00 kbfix4.00.sp2 NTSrvWkst kbenv kbprg
Version : 4.0
Platform : winnt

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Last reviewed: August 13, 1997
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