I dont know why but everytime I watch video it randomly fast forward for a few second then stop and the video will continue. It happen randomly sometime once every few minutes and sometime it doesn't occurs until the video is playing for 10-15 minutes. I'm currently using both classic player and Window media player and i'll be playing avi, mpeg, mkv, and mp4 it will fastforward.
I am currently using Kazaa codec and my system is amd athlon fx-60 running at 2.80 GHZ, 3GB of ram, 320 GB HDD samsung spin point, nvidia 8800 GTS.
I uninstall and reinstall kazaa codec pack but it didn't help.