First, check if your computer meets the minimum system requirements:
- Processor: Pentium 4 with 2GHz;
- RAM: 1GB;
- Free Hard Disk Space: 2GB;
- Display Resolution: 1024 x 768;
- Color Depth: True Color (32-bit);
- Video Memory: 256MB RAM.
If the requirements are fulfilled, update the DirectX and the video card drivers and reinstall the application.