intel p4 1.7ghz
128 video card
512mb ram
40g hd
after restarting my computer, the games, most is online games, like grandchase, tantra, at first int works perfectly fine, but after 5-10 min, it becomes slow and shaggy, or lagish, i dont know why, can someone tell me wat i have to do, sory im not very gud in computer stuff.. hopes someone can help me