I have a PC with Windows 7, a Radeon HD 6950, Intel Core 2 Quad Q6600, and 8GB of RAM. Everytime I run cgminer it either stops working before it even starts or close immediately after opening. GUIminer-scrypt keeps showing up as an icon on my taskbar briefly but also disappears after a few seconds. Why would this be happening and what can I do to fix it? I have the AMD 12.8 Driver installed as well as the SDK.