I get an error that closes my game and gives me a box that says "Unable to detect DirectX device. The program has shut down. PLease restart FFXIV" This only happens on my desktop and only in Black Shroud. My laptop on the same comcast connection and has far less graphical ability can run with no problems just slow to load areas. I also used to get a nvlddmkm error on the desktop after the directx error box. I've tried just about everything at www.nvlddmkm.com but no luck. Anyways thanks in advance if anyone can help because otherwise I can't play in Black Shroud on my desktop since it happens all the time....

Platform: Windows Vista
ISP: Comcast
Graphics Card: Nvidia Geforce GT 240
3gb Ram
New upgraded power supply
PC: Dell Inspiron 531
Processor: AMD Athlon 64 x 2 Dual Core Processor 3800+ (2 cpus) ~2.0GHz
Date & Time: last crash was 11:40 MST
Frequency: Happens all the time after 5-40 minutes of moving in Black Shroud
Character Name: Ace Darklight
Race: ELezen
World: Bodhum
Class/Skill Rank: Has happened since I started... class makes no difference
Physical Level: at alot of them
Area and Coordinates: All over Black Shroud
Party or Solo: Both

I will note I have my graphics up pretty high in all other zones with no problems what so ever and I play for very long times. Also this is only game with this problem. My other MMO's, Starcraft 2, and everything else plays without problems.