Computer Causing Maple to Freeze

Hi, I have read this thread to speed up my computer: http://www.southperry.net/forums/showthread.php?t=254, but it still doesn't help speed up my computer.

I took advice from this guy and MapleStory runs dramatically more smoothly for me:

 Spoiler

No no! Don't end topic!

Let me edit the solution in for you; I know the problem!

Klepto, you don't need to downgrade to XP or get more RAM.
This might sound weird, but don't upgrade your graphics card's driver.

Instead; check if you are able to rollback the driver.

If you cannot, go to:
http://www.omegadrivers.net/nvidia_vista32.php
And pick one of the mirrors to download then install it. This SHOULD fix everything.

I had the same graphics card [almost, mine is 6150LE] and Vista and 1GB of RAM.
Do you lag more in Orbis compared to Henesys?

HOWEVER... my computer freezes up a lot when I play Maple. First, it freezes in Maple. Then my computer shuts down. Lastly it restarts and I get a "crash dump" screen. I don't know what the actual term for this "crash dump" screen is but I hope someone understand me. Now how do I get rid of it?

*EDIT: I believe my problem is called the "Blue Screen of Death." Wikipedia ftw.

Some specs:

Windows Vista Home Edition Service Pack 1

Graphics card: NVIDIA GeForce 6150SE nForce 430

Memory: 2 Gigs of RAM

Processor: AMD Athlon™ 64 X2 Dual Core Processor 4000+