On Nvidia GeForce 630 I have some debug log.
But then use Radeon 7770 log is emtry and no errors during creating and using rendering context. Code:

Code :
		const int attr[] = {
			WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
			WGL_CONTEXT_MINOR_VERSION_ARB, 2,
			WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_DEBUG_BIT_ARB,
			WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
			0
		};
 
		HGLRC rc = wglCreateContextAttribsARB(dc, NULL, attr);
		GL::DumpError("", __FILE__, __LINE__);

Help pls.