Squawkbox Problem

Hi All, I hope somebody can help me with this problem I am having. Whenever I have SB open,the winds are incorrect according to SB. No matter what heading I turn to,the wind is always coming directly onto my nose.The windspeed is also at least 80 kts,sometimes as high as 500 kts.Of course this really makes online fling a pain because I am never doing the correct speeds. Any help would be greatly appreciated.