GIGAPIXEL is cut

Application & Version: Topaz Gigapixel AI Version 4.4.5

Operating System: Windows 10 (10.0)

Graphics Hardware: GeForce GTX 670/PCIe/SSE2
Tengo esta configuración gráfica:
OpenGL Driver: 3.3.0 NVIDIA 441.41

CPU RAM: 24550 MB

Video RAM: 2048 MB Total, 1185 MB In Use

Preview Limit: 3058 Pixels

con un ordenador con cuatro núcleos Intel Xeon CPU 5150 @2,66 Ghz y 24 Gigas ram en CPU por qué se me corta al 1% Gigapixel??
Pueden ayudarme?

I have this graphic configuration:

Application and version: Topaz Gigapixel AI Version 4.4.5

Operating system: Windows 10 (10.0)

Graphics hardware: GeForce GTX 670 / PCIe / SSE2

OpenGL Controller: 3.3.0 NVIDIA 441.41

CPU RAM: 24550 MB

Video RAM: 2048 MB in total, 1185 MB in use

Preview Limit: 3058 pixels

with a computer with four cores Intel Xeon CPU 5150 @ 2.66 Ghz and 24 Gigas Ram in CPU why I cut to 1% Gigapixel?
Can you help me?