I am new at this site and would like to ask if someone can help me. I have window vista 64 and fsx simflight. as soon as i tab d10 the screen is going to flicker. I have heard that riva tuner installment could solve the problem. but i dont know which setting i have to put in. i have a matrox 3 monitors 24 inch also. there are a number of settings to do. could some one help me with the steps. kind regards, doeke