Guild Wars 2

So i have a Gigabyte R9 280X Winforce OC (http://www.gigabyte.com/products/product-page.aspx?pid=4847#ov) and when i play, after some time it randomly crashes. It either goes black-screen or the image is frozen. Sound still seems to be going or at least looping.

I have to ctrl+alt+delete, shut down program. It says Gw2 not responding.

Anybody else has this problem??

My specs:
Motherboard Gigabyte GA-B75M-D3V (http://www.gigabyte.com/products/pro...px?pid=4151#ov)
i5 3450 Ivy Bridge
Hard disk Western Digital Caviar Blue 1TB SATA3 64MB
GPU – Gigabyte R9 280x Winforce OC (http://www.gigabyte.com/products/pro...px?pid=4847#ov)
Dual Channel 8GB Ram
PSU- Corsair VS650, 650W (CP-9020051)

Check all your drivers first, make sure they are updated. Are you overclocking higher than the boost? You could try it on the default settings.