opengl error: Unhandled exception at 0x0251D09F (ig4dev32.dll) in GLTest.exe: 0xC0000005: Access violation reading location 0x00000000 [closed]

Answer 1

It looks like you're using the default graphics driver provided by Microsoft. To use OpenGL, you have to install drivers provided by your graphics card manufacture.

Answer 2

I have solved this question by update my Graphics driver,the url is:http://downloadmirror.intel.com/18223/a08/win7_1512754.exe