Quite often, when I'm playing, the game stops working JUST FREEZES, and then i have to reboot the system or ctr_alt_del.
This happens only in the server /KOS/ Arika Harbor 24/7 Conquest, which is my favorite server.

My PC characteristics:

OS: Windows XP Pro
Processor: DualCore Intel Celeron E3400, 2600 MHz (13 x 200)
RAM: 2GB
VIDEO: AMD RADEON HD 6450 (1024 MB)
Audio: VIA VT1705 @ Intel 82801GB ICHC