Well, I don't understand everything (I'm portuguese). But If you can't change your name because the resolution. Try to write the name and than click enter.
You could try to update your Windows in
http://www.windowsupdate.com instal the critical updates and in the optional updates may be there new drivers for your graphic card!
My PC is a little slow too, my graphic card is an Nvidia of 16mb. I can't play all the games, but I always update my windows, and install optional hardware updates. So my pc is better.
Try it.
And What's your Windows ??? 98 SE?
