when i plug my vcr into gforce 4 ti 4200 it plays on the computer fine the picture is clear and captures well, but when i plug my direct tv dish into the back of the vcr while it is attached to my computer i get a white line of destortion going up my capture screen even when i am captureing from video off the vcr as long as the cable to the dish is pluged into the vcr i get the destortion and as soon as i unplug the cable the destortion disappears. anyone have any idea?