TalkingSoft.com Forums: Videoz looks shity in my Pc why (Nvidia) :( ??? - TalkingSoft.com Forums

Hi i need help from someone well the prob. is the follow
I have my pc whit the next hardware

CPU Amd Athlon 64 3800+ X2 Dual Core Socket Am2
Gigabyte Gam51gm-S2g Socket Am2 Nvidia 6100,firewire,pci-E 1
HDD Western Digital 200gb 7200 Rpm Ide Ata-100 Rf
Ram Adata Ddr2 512mb Pc4200 533 Mhz *ddr2*

then i`ve installed the Kazaa Lite Mega codec pack the i put a video but looks Shity
seens dark and uncolorfull and the videos that i have is in M2v and Avi in good quality just in my Pc looks shity