Microsoft KB Archive/117149

{|
 * width="100%"|

BUG: Winhelp GPF in GDI.EXE when Using ATI Mach 32 Driver

 * }

Q117149

-

The information in this article applies to:


 * Microsoft Visual C++, versions 1.0, 1.5

-

SYMPTOMS
Winhelp causes a general protection fault (GPF) when it is used from within the Microsoft Visual Workbench.

CAUSE
This problem can be caused by using an old version of the ATI Mach 32 Windows version 3.1 video driver.

RESOLUTION
To solve this problem, do one of the following:

 Install a newer version of the display driver: contact ATI Customer Support at (905) 882-2626. The most recent drivers are available on the ATI bulletin board service (BBS) at (905) 764-9404.  Modify the "[mach32]" section of WIN.INI file to set the following variables:      DeviceBitmap=off DeviceBitmapDraw=off This information can also be found in the README.WRI file that is supplied with Visual C++. 

STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION
Use the following steps to reproduce the problem:


 * 1) In the Visual Workbench, run Winhelp by choosing any option from the Help menu. Leave the help file open.
 * 2) Compile a program from within the Visual Workbench.
 * 3) Attempt to open another help file by choosing another option from the Help menu. At this point, the GPF occurs.

Additional query words: 1.00 1.50

Keywords : kb16bitonly

Issue type : kbbug

Technology : kbVCsearch kbAudDeveloper kbvc150 kbvc100