h)Don’t know that answer (examples??)
i)Please point me to the file where i can find out that information.
h) is in my case “NVidia Corporation” (or so) and i) 1.3.
Those are things, which you can “ask” opengl from within your programm.
Well, the main purpose of the questions I’d asked was to provide an example for the kind information, which is needed for solving your problem.
Ok. It looks like your drivers are broken. You can try:
#1 Installing the latest drivers.
or
#2 Removing the currently used drivers via the software control panel. Reboot. Then install the latest drivers. Reboot.
or (if everything fails)
#3 Removing the currently used drivers with a specialized tool like detonator destroyer. Reboot. Then install the latest drivers. Reboot.