dosto jab se mene window 7 ki hai tb se me HD video chalata ho to boht sost chalti hai ur result B kharab ata hai koi koi video sai chalti hai mere pas 2 players hai 321 player ur dosra vlc player dono me ye some problam hai, ya koi acha sa player bta den ya phr koi hal bta den plzzzzzzz...