Many standalone cracks are actually remote access trojans (RATs) disguised as game files. They give hackers full access to your desktop.

Intel Core 2 Duo 2.6 GHz / AMD Athlon 64 X2 3800+ Memory: 3 GB RAM Graphics: NVidia GeForce 8800 GT / AMD Radeon HD 4770 DirectX: Version 9.0 Storage: 9 GB available space

To help give you the most specific advice for your setup, let me know: Have you a copy of the game files?

What or protection are you currently running?

If you must test a file from an unverified source, run it inside a secured environment first: