See my above post. Its a common problem and the WOW site gives a lot of information
Ill still be here if you need additional information or have questions.
Okay I have this same problem, there are a few things you can do.
One is to go on for example the intel website perss support and find downloads, download an update for YOUR driver, to find this information go on RUN or comand prompt and type in "Dxdiag" it will come up with a text box, say yes to everything and then go on display look for somthing that says somthing like "Q33 Express Chipset Family" and then thats the one you will select, find what OS u got and do that aswell. download this thing and see what happens.
Another thing to do, may be abit pricey for Wow unless you are a hardcore gamer, buy a top of the range graphics card, get it fixed in for you and let them download all the updates, this will alllow you to go to everywhere aswell as having Ultra diaplay settings.
The last thing you can do is avoid certain area's where ur comp messes up hope you can sort it out